<div id='wrapper'>
      <h1>The Periodic Table</h1>
      <h3>by Brady Sammons</h3>
  <div id='key'>
        <ul>
          <li><span class='swatch element-metal'></span>Metals</li>
          <li><span class='swatch element-non-metal'></span>Non-Metals</li>
          <li><span class='swatch element-alkali-metal'></span>Alkali Metals</li>
          <li><span class='swatch element-alkali-earth-metal'></span>Alkali Earth Metals</li>
        </ul>
        <ul>
          <li><span class='swatch element-transition-metal'></span>Transitional Metals</li>
          <li><span class='swatch element-lanthoid'></span>Lanthoids</li>
          <li><span class='swatch element-actinoid'></span>Actinoids</li>
        </ul>
        <ul>
          <li><span class='swatch element-metalloid'></span>Metaloids</li>
          <li><span class='swatch element-halogen'></span>Halogens</li>
          <li><span class='swatch element-noble-gas'></span>Noble Gas</li>
        </ul>
      </div>
      <div id='elements'>
        <!-- Row One -->
        <div class='element-non-metal'>
          <div class='chip'>
            <div class="face front">
              <i>1</i>
              <strong>H</strong>
            </div>
            <div class='face back'>
              <p>Hydrogen<span>1.0079</span><p>
            </div>
          </div>
        </div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>     
        <div class='element-noble-gas'>
          <div class='chip'>
            <div class='face front'>
              <i>2</i>
              <strong>He</strong>
            </div>
              
            <div class='face back'>
              <p>Helium<span>4.0026</span><p>
            </div>
          </div>
        </div><!-- //Row One -->

        <!-- Row Two -->  
        <div class='element-alkali-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>3</i>
              <strong>Li</strong>
            </div>
            <div class='face back'>
              <p>Lithium<span>6.941</span><p>
            </div>
          </div>
        </div>
        <div class='element-alkali-earth-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>4</i>
              <strong>Be</strong>
            </div>
            <div class='face back'>
              <p>Beryllium<span>6.941</span><p>
            </div>
          </div>
        </div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div> 
        <div class='element-metalloid'>
          <div class='chip'>
            <div class='face front'>
              <i>5</i>
              <strong>B</strong>
            </div>
            <div class='face back'>
              <p>Baron<span>10.811</span><p>
            </div>
          </div>
        </div>
        <div class='element-non-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>6</i>
              <strong>C</strong>
            </div>
            <div class='face back'>
              <p>Carbon<span>12.0107</span><p>
            </div>
          </div>
        </div>
        <div class='element-non-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>7</i>
              <strong>N</strong>
            </div>
            <div class='face back'>
              <p>Nitrogen<span>14.0067</span><p>
            </div>
          </div>
        </div>
        <div class='element-non-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>8</i>
              <strong>O</strong>
            </div>
            <div class='face back'>
              <p>Oxygen<span>15.9994</span><p>
            </div>
          </div>
        </div>
        <div class='element-halogen'>
          <div class='chip'>
            <div class='face front'>
              <i>9</i>
              <strong>F</strong>
            </div>
            <div class='face back'>
              <p>Fluorine<span>18.998</span><p>
            </div>
          </div>
        </div>
        <div class='element-noble-gas'>
          <div class='chip'>
            <div class='face front'>
              <i>10</i>
              <strong>Ne</strong>
            </div>
            <div class='face back'>
              <p>Neon<span>20.1797</span><p>
            </div>
          </div>
        </div><!-- //Row Two -->

        <!-- Row Three -->  
        <div class='element-alkali-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>11</i>
              <strong>Na</strong>
            </div>
            <div class='face back'>
              <p>Sodium<span>6.941</span><p>
            </div>
          </div>
        </div>
        <div class='element-alkali-earth-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>12</i>
              <strong>Mg</strong>
            </div>
            <div class='face back'>
              <p>Magnesium<span>24.3050</span><p>
            </div>
          </div>
        </div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>13</i>
              <strong>Al</strong>
            </div>
            <div class='face back'>
              <p>Aluminum<span>26.981</span><p>
            </div>
          </div>
        </div>
        <div class='element-metalloid'>
          <div class='chip'>
            <div class='face front'>
              <i>14</i>
              <strong>Si</strong>
            </div>
            <div class='face back'>
              <p>Silicon<span>28.855</span><p>
            </div>
          </div>
        </div>
        <div class='element-non-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>15</i>
              <strong>P</strong>
            </div>
            <div class='face back'>
              <p>phosphorus<span>30.973</span><p>
            </div>
          </div>
        </div>
        <div class='element-non-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>16</i>
              <strong>S</strong>
            </div>
            <div class='face back'>
              <p>Sulfur<span>32.065</span><p>
            </div>
          </div>
        </div>
        <div class='element-halogen'>
          <div class='chip'>
            <div class='face front'>
              <i>17</i>
              <strong>Cl</strong>
            </div>
            <div class='face back'>
              <p>Chlorine<span>35.453</span><p>
            </div>
          </div>
        </div>
        <div class='element-noble-gas'>
          <div class='chip'>
            <div class='face front'>
              <i>18</i>
              <strong>Ar</strong>
            </div>
            <div class='face back'>
              <p>Argon<span>39.948</span><p>
            </div>
          </div>
        </div><!-- //Row Three -->

        <!-- Row Four --> 
        <div class='element-alkali-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>19</i>
              <strong>K</strong>
            </div>
            <div class='face back'>
              <p>Potassium<span>39.0983</span><p>
            </div>
          </div>
        </div>
        <div class='element-alkali-earth-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>20</i>
              <strong>Ca</strong>
            </div>
            <div class='face back'>
              <p>Calcium<span>40.078</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>21</i>
              <strong>Sc</strong>
            </div>
            <div class='face back'>
              <p>Scandium<span>44.955</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>22</i>
              <strong>Ti</strong>
            </div>
            <div class='face back'>
              <p>Titanium<span>47.861</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>23</i>
              <strong>V</strong>
            </div>
            <div class='face back'>
              <p>Vanadium<span>50.0915</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>24</i>
              <strong>Cr</strong>
            </div>
            <div class='face back'>
              <p>Chromium<span>51.9961</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>25</i>
              <strong>Mn</strong>
            </div>
            <div class='face back'>
              <p>Manganese<span>54.938</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>26</i>
              <strong>Fe</strong>
            </div>
            <div class='face back'>
              <p>Iron<span>55.845</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>27</i>
              <strong>Co</strong>
            </div>
            <div class='face back'>
              <p>Cobalt<span>58.933</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>28</i>
              <strong>Ni</strong>
            </div>
            <div class='face back'>
              <p>Nickel<span>58.6934</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>29</i>
              <strong>Cu</strong>
            </div>
            <div class='face back'>
              <p>Copper<span>63.546</span><p>
            </div>
          </div>
        </div>
        <div class='element-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>30</i>
              <strong>Zn</strong>
            </div>
            <div class='face back'>
              <p>Zinc<span>65.409</span><p>
            </div>
          </div>
        </div>  
        <div class='element-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>31</i>
              <strong>Ga</strong>
            </div>
            <div class='face back'>
              <p>Gallium<span>69.732</span><p>
            </div>
          </div>
        </div>
        <div class='element-metalloid'>
          <div class='chip'>
            <div class='face front'>
              <i>32</i>
              <strong>Ge</strong>
            </div>
            <div class='face back'>
              <p>Germanium<span>72.64</span><p>
            </div>
          </div>
        </div>
        <div class='element-metalloid'>
          <div class='chip'>
            <div class='face front'>
              <i>33</i>
              <strong>As</strong>
            </div>
            <div class='face back'>
              <p>Arsenic<span>74.921</span><p>
            </div>
          </div>
        </div>
        <div class='element-non-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>34</i>
              <strong>Se</strong>
            </div>
            <div class='face back'>
              <p>Selenium<span>78.96</span><p>
            </div>
          </div>
        </div>
        <div class='element-halogen'>
          <div class='chip'>
            <div class='face front'>
              <i>35</i>
              <strong>Br</strong>
            </div>
            <div class='face back'>
              <p>Bromine<span>79.904</span><p>
            </div>
          </div>
        </div>
        <div class='element-noble-gas'>
          <div class='chip'>
            <div class='face front'>
              <i>18</i>
              <strong>Ar</strong>
            </div>
            <div class='face back'>
              <p>Argon<span>39.948</span><p>
            </div>
          </div>
        </div><!-- //Row Four -->

        <!-- Row Five --> 
        <div class='element-alkali-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>37</i>
              <strong>Rb</strong>
            </div>
            <div class='face back'>
              <p>Rubidium<span>85.4678</span><p>
            </div>
          </div>
        </div>
        <div class='element-alkali-earth-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>38</i>
              <strong>Sr</strong>
            </div>
            <div class='face back'>
              <p>Strontuim<span>87.62</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>39</i>
              <strong>Y</strong>
            </div>
            <div class='face back'>
              <p>Yttrium<span>88.905</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>40</i>
              <strong>Zr</strong>
            </div>
            <div class='face back'>
              <p>Zirconium<span>91.224</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>41</i>
              <strong>Nb</strong>
            </div>
            <div class='face back'>
              <p>Niobium<span>92.224</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>42</i>
              <strong>Mo</strong>
            </div>
            <div class='face back'>
              <p>Molybdenum<span>51.9961</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>43</i>
              <strong>Tc</strong>
            </div>
            <div class='face back'>
              <p>Technetium<span>[98]</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>44</i>
              <strong>Ru</strong>
            </div>
            <div class='face back'>
              <p>Ruthenium<span>101.07</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>45</i>
              <strong>Rh</strong>
            </div>
            <div class='face back'>
              <p>Rhodium<span>102.905</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>46</i>
              <strong>Pd</strong>
            </div>
            <div class='face back'>
              <p>Palladlum<span>106.42</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>47</i>
              <strong>Ag</strong>
            </div>
            <div class='face back'>
              <p>Silver<span>107.862</span><p>
            </div>
          </div>
        </div>
        <div class='element-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>48</i>
              <strong>Cd</strong>
            </div>
            <div class='face back'>
              <p>Cadmium<span>112.411</span><p>
            </div>
          </div>
        </div>  
        <div class='element-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>49</i>
              <strong>In</strong>
            </div>
            <div class='face back'>
              <p>Indium<span>114.813</span><p>
            </div>
          </div>
        </div>
        <div class='element-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>50</i>
              <strong>Sn</strong>
            </div>
            <div class='face back'>
              <p>Tin<span>118.710</span><p>
            </div>
          </div>
        </div>
        <div class='element-metalloid'>
          <div class='chip'>
            <div class='face front'>
              <i>51</i>
              <strong>Sb</strong>
            </div>
            <div class='face back'>
              <p>Antimony<span>121.760</span><p>
            </div>
          </div>
        </div>
        <div class='element-metalloid'>
          <div class='chip'>
            <div class='face front'>
              <i>52</i>
              <strong>Te</strong>
            </div>
            <div class='face back'>
              <p>Tellurium<span>127.60</span><p>
            </div>
          </div>
        </div>
        <div class='element-halogen'>
          <div class='chip'>
            <div class='face front'>
              <i>53</i>
              <strong>I</strong>
            </div>
            <div class='face back'>
              <p>Iodine<span>126.904</span><p>
            </div>
          </div>
        </div>
        <div class='element-noble-gas'>
          <div class='chip'>
            <div class='face front'>
              <i>54</i>
              <strong>Xe</strong>
            </div>
            <div class='face back'>
              <p>Xenon<span>131.293</span><p>
            </div>
          </div>
        </div><!-- //Row Five -->

        <!-- Row Six -->  
        <div class='element-alkali-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>55</i>
              <strong>Cs</strong>
            </div>
            <div class='face back'>
              <p>Caesium<span>132.905</span><p>
            </div>
          </div>
        </div>
        <div class='element-alkali-earth-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>56</i>
              <strong>Ba</strong>
            </div>
            <div class='face back'>
              <p>Barium<span>137.327</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthanoid-transitional-metal'>
          <div class='chip long'>
            <div class='face front'>
              <i>57-71</i>
              <strong>La-Lu</strong>
            </div>
            <div class='face back'>
              <p>Lanthanoids<span></span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>72</i>
              <strong>Hf</strong>
            </div>
            <div class='face back'>
              <p>Hafnium<span>178.49</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>73</i>
              <strong>Ta</strong>
            </div>
            <div class='face back'>
              <p>Tantalum<span>180.947</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>74</i>
              <strong>W</strong>
            </div>
            <div class='face back'>
              <p>Tungsten<span>183.84</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>75</i>
              <strong>Re</strong>
            </div>
            <div class='face back'>
              <p>Rhenium<span>186.207</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>76</i>
              <strong>Os</strong>
            </div>
            <div class='face back'>
              <p>Osmium<span>190.23</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>77</i>
              <strong>Ir</strong>
            </div>
            <div class='face back'>
              <p>Iridium<span>192.217</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>78</i>
              <strong>Pt</strong>
            </div>
            <div class='face back'>
              <p>Platinum<span>195.084</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>79</i>
              <strong>Au</strong>
            </div>
            <div class='face back'>
              <p>Gold<span>196.966</span><p>
            </div>
          </div>
        </div>
        <div class='element-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>80</i>
              <strong>Hg</strong>
            </div>
            <div class='face back'>
              <p>Mercury<span>200.59</span><p>
            </div>
          </div>
        </div>  
        <div class='element-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>81</i>
              <strong>Tl</strong>
            </div>
            <div class='face back'>
              <p>Thallium<span>204.3833</span><p>
            </div>
          </div>
        </div>
        <div class='element-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>82</i>
              <strong>Pb</strong>
            </div>
            <div class='face back'>
              <p>Lead<span>207.2</span><p>
            </div>
          </div>
        </div>
        <div class='element-metalloid'>
          <div class='chip'>
            <div class='face front'>
              <i>83</i>
              <strong>Bi</strong>
            </div>
            <div class='face back'>
              <p>Bismuth<span>208.980</span><p>
            </div>
          </div>
        </div>
        <div class='element-metalloid'>
          <div class='chip'>
            <div class='face front'>
              <i>84</i>
              <strong>Po</strong>
            </div>
            <div class='face back'>
              <p>Polonium<span>[209]</span><p>
            </div>
          </div>
        </div>
        <div class='element-halogen'>
          <div class='chip'>
            <div class='face front'>
              <i>85</i>
              <strong>At</strong>
            </div>
            <div class='face back'>
              <p>Astatine<span>[210]</span><p>
            </div>
          </div>
        </div>
        <div class='element-noble-gas'>
          <div class='chip'>
            <div class='face front'>
              <i>86</i>
              <strong>Rn</strong>
            </div>
            <div class='face back'>
              <p>Radon<span>[222]</span><p>
            </div>
          </div>
        </div><!-- //Row Six -->

        <!-- Row Seven -->  
        <div class='element-alkali-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>87</i>
              <strong>Fr</strong>
            </div>
            <div class='face back'>
              <p>Francium<span>[223]</span><p>
            </div>
          </div>
        </div>
        <div class='element-alkali-earth-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>88</i>
              <strong>Ra</strong>
            </div>
            <div class='face back'>
              <p>Radium<span>[226]</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid-transitional-metal'>
          <div class='chip long'>
            <div class='face front'>
              <i>89-103</i>
              <strong>Ac-Lr</strong>
            </div>
            <div class='face back'>
              <p>Actinoids<span></span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>104</i>
              <strong>Rf</strong>
            </div>
            <div class='face back'>
              <p>Rutherfordium<span>[261]</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>105</i>
              <strong>Db</strong>
            </div>
            <div class='face back'>
              <p>Dubnium<span>[262]</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>106</i>
              <strong>Sg</strong>
            </div>
            <div class='face back'>
              <p>Seaborgium<span>[266]</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>107</i>
              <strong>Bh</strong>
            </div>
            <div class='face back'>
              <p>Bohrium<span>[264]</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>108</i>
              <strong>Hs</strong>
            </div>
            <div class='face back'>
              <p>Hassium<span>[277]</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>109</i>
              <strong>Mt</strong>
            </div>
            <div class='face back'>
              <p>Meltnerium<span>[268]</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>110</i>
              <strong>Ds</strong>
            </div>
            <div class='face back'>
              <p>Darmstadtium<span>[271]</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>111</i>
              <strong>Rg</strong>
            </div>
            <div class='face back'>
              <p>Roentgenium<span>[272]</span><p>
            </div>
          </div>
        </div>
        <div class='element-transition-metal'>
          <div class='chip'>
            <div class='face front'>
              <i>112</i>
              <strong>Cn</strong>
            </div>
            <div class='face back'>
              <p>Copernicium<span>[285]</span><p>
            </div>
          </div>
        </div><!-- //Row Seven -->

        <div class='element-blank full'></div>

        <!-- Row Eight -->  
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>57</i>
              <strong>La</strong>
            </div>
            <div class='face back'>
              <p>Lanthanum<span>138.905</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>58</i>
              <strong>Ce</strong>
            </div>
            <div class='face back'>
              <p>Cerium<span>140.116</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>59</i>
              <strong>Pr</strong>
            </div>
            <div class='face back'>
              <p>Praseodymium<span>140.907</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>60</i>
              <strong>Nd</strong>
            </div>
            <div class='face back'>
              <p>Neodymium<span>144.242</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>61</i>
              <strong>Pm</strong>
            </div>
            <div class='face back'>
              <p>Promethium<span>[145]</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>62</i>
              <strong>Sm</strong>
            </div>
            <div class='face back'>
              <p>Samarium<span>150.36</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>63</i>
              <strong>Eu</strong>
            </div>
            <div class='face back'>
              <p>Europium<span>151.36</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>64</i>
              <strong>Gd</strong>
            </div>
            <div class='face back'>
              <p>Gadolinium<span>157.25</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>65</i>
              <strong>Tb</strong>
            </div>
            <div class='face back'>
              <p>Terbium<span>158.925</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>66</i>
              <strong>Dy</strong>
            </div>
            <div class='face back'>
              <p>Dysprosium<span>162.500</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>67</i>
              <strong>Ho</strong>
            </div>
            <div class='face back'>
              <p>Holmium<span>164.930</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>68</i>
              <strong>Er</strong>
            </div>
            <div class='face back'>
              <p>Erbium<span>167.259</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>69</i>
              <strong>Tm</strong>
            </div>
            <div class='face back'>
              <p>Thulium<span>168.934</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>70</i>
              <strong>Yb</strong>
            </div>
            <div class='face back'>
              <p>Ytterbium<span>173.04</span><p>
            </div>
          </div>
        </div>
        <div class='element-lanthoid'>
          <div class='chip'>
            <div class='face front'>
              <i>71</i>
              <strong>Lu</strong>
            </div>
            <div class='face back'>
              <p>Lutetium<span>174.967</span><p>
            </div>
          </div>
        </div>
        <div class='element-blank'></div>
        <!-- //Row Eight -->

        <!-- Row Nine --> 
        <div class='element-blank'></div>
        <div class='element-blank'></div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>89</i>
              <strong>Ac</strong>
            </div>
            <div class='face back'>
              <p>Actinium<span>[227]</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>90</i>
              <strong>Th</strong>
            </div>
            <div class='face back'>
              <p>Thorium<span>232.038</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>91</i>
              <strong>Pa</strong>
            </div>
            <div class='face back'>
              <p>Protactinium<span>232.038</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>92</i>
              <strong>U</strong>
            </div>
            <div class='face back'>
              <p>Uranium<span>238.028</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>93</i>
              <strong>Np</strong>
            </div>
            <div class='face back'>
              <p>Neptunium<span>[237]</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>94</i>
              <strong>Pu</strong>
            </div>
            <div class='face back'>
              <p>Plutonium<span>[244]</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>95</i>
              <strong>Am</strong>
            </div>
            <div class='face back'>
              <p>Americium<span>[243]</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>96</i>
              <strong>Cm</strong>
            </div>
            <div class='face back'>
              <p>Curium<span>[247]</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>97</i>
              <strong>Bk</strong>
            </div>
            <div class='face back'>
              <p>Berkelium<span>[247]</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>98</i>
              <strong>Cf</strong>
            </div>
            <div class='face back'>
              <p>Californium<span>[251]</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>99</i>
              <strong>Es</strong>
            </div>
            <div class='face back'>
              <p>Einsteinium<span>[257]</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>100</i>
              <strong>Fm</strong>
            </div>
            <div class='face back'>
              <p>Fermium<span>[257]</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>101</i>
              <strong>Md</strong>
            </div>
            <div class='face back'>
              <p>Mendelevium<span>[258]</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>102</i>
              <strong>No</strong>
            </div>
            <div class='face back'>
              <p>Nobelium<span>[259]</span><p>
            </div>
          </div>
        </div>
        <div class='element-actinoid'>
          <div class='chip'>
            <div class='face front'>
              <i>103</i>
              <strong>Lr</strong>
            </div>
            <div class='face back'>
              <p>Lawrencium<span>[262]</span><p>
            </div>
          </div>
        </div>
        </div><!-- //Row Nine -->
        
      </div><!-- //Elements -->
    </div> <!-- //Wrapper -->
@import "compass/css3";

/* -------------------
*Author:      Brady Sammons   
*Version:     1.0.0   
*Website:     bradysammons.com    
-------------------- */
@import "compass/reset";
@import "compass/css3";
@import url(https://fonts.googleapis.com/css?family=Tauri);

/* -------------------
  Variables
-------------------- */
// Element Colors
$metal:#939393;
$alkali-metal:#98AD2C;
$alkali-earth-metal:#44B981;
$transition-metal:#4BB0FD;
$lanthoid:#D3C100;
$actinoid:#E09D00;
$metalloid:#D33636;

//gradients
@mixin metal-grad(){
  @include background-image(linear-gradient(left top, lighten($metal, 20%), darken($metal,5%))); 
}
@mixin alkali-metal-grad(){
  @include background-image(linear-gradient(left top, lighten($alkali-metal, 20%), darken($alkali-metal,5%))); 
}
@mixin alkali-earth-metal-grad(){
  @include background-image(linear-gradient(left top, lighten($alkali-earth-metal, 20%), darken($alkali-earth-metal,5%))); 
}
@mixin transition-metal-grad(){
  @include background-image(linear-gradient(left top, lighten($transition-metal, 20%), darken($transition-metal,5%))); 
}
@mixin lanthoid-grad(){
  @include background-image(linear-gradient(left top, lighten($lanthoid, 20%), darken($lanthoid,5%))); 
}
@mixin actinoid-grad(){
  @include background-image(linear-gradient(left top, lighten($actinoid, 20%), darken($actinoid,5%))); 
} 
@mixin metalloid-grad(){
  @include background-image(linear-gradient(left top, lighten($metalloid, 20%), darken($metalloid,5%))); 
}
@mixin non-metal-grad(){
  @include background-image(linear-gradient(left top, lighten($non-metal, 20%), darken($non-metal,5%))); 
}
@mixin halogen-grad(){
  @include background-image(linear-gradient(left top, lighten($halogen, 20%), darken($halogen,5%))); 
}
@mixin noble-gas-grad(){
  @include background-image(linear-gradient(left top, lighten($noble-gas, 20%), darken($noble-gas,5%))); 
}
@mixin clearfix(){
  &:after{
    content:'';
    content: ".";
    display: block;
    clear: both;
    visibility: hidden;
    line-height: 0;
    height: 0;
  }
}
//non-metals
$non-metal:#6D828A;
$halogen: #A1823B;
$noble-gas:#6767BA;

$blank:transparent;
$element-size:55px;
html{
  min-height: 100%;
  //height: 100%;
  @include background-image(linear-gradient(#555, #222)); 
  background-repeat: no-repeat;
}
body{
  font-size:100%;
  font-family: helvetica, arial, sans-serif;
}
h1,h3{
  font-family: 'Tauri', sans-serif;
  letter-spacing: -.05em;
}
h1{
  font-size: 2em;
  margin-top: 30px;
  color: #eee;
  text-transform: uppercase;
  text-shadow:1px 1px 0 #333, 2px 2px 0 #999 ;
}
h3{
  margin:10px 0 20px 0;
  color: #888;
  font-weight: normal;
}
span.swatch{
  display: inline-block;
  width: 14px;
  height: 14px;
  background: #eee;
  margin-right: 10px;
}
#key{
  position: absolute;
  left:165px;
  z-index: 100;
  margin-top:55px;
  ul{
    float: left;
    margin-right: 40px;
    li{
      line-height: 1.5em;
      font-size: .8em;
      color: #B6B6B6;
    }
  }
  
}
#wrapper{
  width: 990px;
  margin: 0 auto 30px auto;
  height: 600px;
  position: relative;
}
[class^="element-"]{
  cursor: pointer;
  position: relative;
  z-index: 1;
  color:#333;
  @include box-sizing(border-box);
  width: $element-size;
  height: $element-size;
  font-size: 12px;
  display:block;
  float: left;
  @include perspective(1000);
  .chip{
    width: 100%;
    height: 100%;
    @include transform-style(preserve-3d);
    @include transition-property(all);
    @include transition-duration(.5s);
    @include transition-timing-function(ease-out);
    &.long{
      .front{
        strong{
          margin-top: 8px;
          font-size:1.38em;
        }
      }
      .back{
        p{
          margin-top: 20px;
        }
      }
    }
  }

  &:hover .chip{
    @include rotateY(180deg);
  }
  .face{
    position: absolute;
    width: 100%;
    height: 100%;
    @include backface-visibility(hidden);
    &.front, &.back{
      @include box-sizing(border-box);
    }
    &.front{
      padding: 4px;
      i{
        display: block;
        font-size: .8em;
      }
      strong{
        font-size:2.2em;
        display: block;
        font-weight: bold;
        text-shadow:0 1px 0 rgba(255,255,255,.2);
        text-align: center;
        margin-top: 4px;
        background: rgba(0,0,0,.1);
      }
      @include box-shadow(
      inset 0 1px 0 rgba(255,255,255,.4), 
      inset 0 -1px 0 rgba(0,0,0,.3),
      inset 1px 0 0 rgba(255,255,255,.2),
      inset -1px 0 0 rgba(0,0,0,.15));
    }
    &.back{
      display: block;
      @include rotateY(180deg);
      @include box-sizing(border-box);
      background: #eee;
      color: #111;
      //padding: 5px;
      p{
        margin-top: 16px;
        line-height: 1.2;
        text-align: center;
        font-size:.7em;
        font-weight: 600;

        span{
          display: block;
        }
      }
    }
  }
}
/* -------------------
  Elements
-------------------- */
span.swatch{
  &.element-metal{
    @include metal-grad();
  }
  &.element-non-metal{
    @include non-metal-grad();
  }
  &.element-alkali-metal{
    @include alkali-metal-grad();
  }
  &.element-alkali-earth-metal{
    @include alkali-earth-metal-grad();
  }
  &.element-transition-metal{
    @include transition-metal-grad();
  }
  &.element-lanthoid{
    @include lanthoid-grad();
  }
  &.element-actinoid{
    @include actinoid-grad();
  }
  &.element-metalloid{
    @include metalloid-grad();
  }
  &.element-halogen{
    @include halogen-grad();
  }
  &.element-noble-gas{
    @include noble-gas-grad();
  }

}
.element-metal{
  .front{
    color: darken($metal,40%);
    @include metal-grad();
  }
  .face.back{
    background-color: lighten($metal,20%);
  }
}
.element-alkali-metal{ 
  .front{
    color: darken($alkali-metal,26%);
    @include alkali-metal-grad();
  }
  .face.back{
    background-color: lighten($alkali-metal,30%);
  }
}
.element-alkali-earth-metal{ 
  .front{
    color: darken($alkali-earth-metal,36%);
    @include alkali-earth-metal-grad(); 
  }
  .face.back{
    background-color: lighten($alkali-earth-metal,30%);
  }
}
.element-transition-metal{ 
  .front{
    color: darken($transition-metal,50%);
    @include transition-metal-grad(); 
  }
  .face.back{
    background-color: lighten($transition-metal,20%);
  }

}
.element-lanthoid{
  .front{
    color: darken($lanthoid,28%);
    @include lanthoid-grad();
  }
  .face.back{
    background-color: lighten($lanthoid,20%);
  }
}
.element-actinoid{
  .front{
    color: darken($actinoid,40%);
    @include actinoid-grad();
  }
  .face.back{
    background-color: lighten($actinoid,20%);
  }

}
.element-metalloid{ 
  .front{
    color: darken($metalloid,40%);
    @include metalloid-grad();
  }
  .face.back{
    background-color: lighten($metalloid,20%);
  }
}
.element-non-metal{ 
  .front{
    color: darken($non-metal,40%);
    @include non-metal-grad();
  }
  .face.back{
    background-color: lighten($non-metal,27%);
  }
}
.element-halogen{ 
  .front{
    color: darken($halogen,40%);
    @include halogen-grad();
  }
  .face.back{
    background-color: lighten($halogen,27%);
  }
}
.element-noble-gas{
  .front{
    color: darken($noble-gas,40%);
    @include noble-gas-grad();
  }
  .face.back{
    background-color: lighten($noble-gas,20%);
  }
}
.element-lanthanoid-transitional-metal{
  .front{
    color: darken($noble-gas,40%);
    @include background-image(linear-gradient(left top, $transition-metal, $lanthoid)); 
  }
  .face.back{
    background-color: lighten($transition-metal,20%);
  }
}
.element-actinoid-transitional-metal{
  .front{
    color: darken($noble-gas,40%);
    @include background-image(linear-gradient(left top, $transition-metal, $actinoid)); 
  }
  .face.back{
    background-color: lighten($transition-metal,20%);
  }
}

.element-blank{
  background: $blank;
  //background: red;
  cursor: auto;
  //@include box-shadow(none);
  &.full{
    height: $element-size /2;
    clear: both;
    width: 100%;
  }
}

/* -------------------
  Media Queries
-------------------- */
@media screen and (max-width:989px) {
  #wrapper{
    width: 90%;
    .element-blank{
      display: none;
    }
  }
  #key{
    position: static;
    width: 100%;
    left:165px;
    z-index: 100;
    margin-top:20px;
    @include clearfix();
    margin-bottom: 10px;
    ul{
      width: 28%;
      min-width:150px;
      margin-right: 5%;
      &:nth-of-type(3){
        margin-right: 0;
      }
    }
  }
}
View Compiled
/*
The Periodic Table of Elements by
Brady Sammons

!!!!!!!!!!!!!!!!!!!!***
 Feel Free to use this for any   educational uses it may provide!!!
!!!!!!!!!!!!!!!!!!!!***

**!!open your browser window larger than 990px to see it as intended
*/

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