Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

+ add another resource

JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

Behavior

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                <h1> Press the Keys Below:</h1>
<div class="notes">
  <div data-key="65" class="key">
    <svg version="1.1" id="capa" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
	 viewBox="0 0 55 55" style="enable-background:new 0 0 55 55;" xml:space="preserve">
      <path d="M52.66,0.249c-0.216-0.189-0.501-0.275-0.789-0.241l-31,4.011C20.373,4.084,20,4.507,20,5.01v6.017v4.212v25.384
	C18.174,38.428,15.273,37,12,37c-5.514,0-10,4.037-10,9s4.486,9,10,9s10-4.037,10-9c0-0.232-0.019-0.46-0.039-0.687
	C21.974,45.248,22,45.189,22,45.121V16.118l29-3.753v18.257C49.174,28.428,46.273,27,43,27c-5.514,0-10,4.037-10,9s4.486,9,10,9
	c5.464,0,9.913-3.966,9.993-8.867c0-0.013,0.007-0.024,0.007-0.037V11.227V7.016V1C53,0.712,52.876,0.438,52.66,0.249z"/>
    </svg>
    <span>A</span>
  </div>
  <div data-key="83" class="key">
    <svg version="1.1" id="capa_2" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
	 viewBox="0 0 415.963 415.963" style="enable-background:new 0 0 415.963 415.963;" xml:space="preserve">
      <path d="M328.712,264.539c12.928-21.632,21.504-48.992,23.168-76.064c1.056-17.376-2.816-35.616-11.2-52.768
        c-13.152-26.944-35.744-42.08-57.568-56.704c-16.288-10.912-31.68-21.216-42.56-35.936l-1.952-2.624
        c-6.432-8.64-13.696-18.432-14.848-26.656c-1.152-8.32-8.704-14.24-16.96-13.76c-8.384,0.576-14.88,7.52-14.88,15.936v285.12
        c-13.408-8.128-29.92-13.12-48-13.12c-44.096,0-80,28.704-80,64s35.904,64,80,64s80-28.704,80-64V165.467
        c24.032,9.184,63.36,32.576,74.176,87.2c-2.016,2.976-3.936,6.176-6.176,8.736c-5.856,6.624-5.216,16.736,1.44,22.56
        c6.592,5.888,16.704,5.184,22.56-1.44c4.288-4.864,8.096-10.56,11.744-16.512C328.04,265.563,328.393,265.083,328.712,264.539z"/>
    </svg>
    <span>S</span>
  </div>
  <div data-key="68" class="key">
    <svg version="1.1" id="capa" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
	 viewBox="0 0 55 55" style="enable-background:new 0 0 55 55;" xml:space="preserve">
      <path d="M52.66,0.249c-0.216-0.189-0.501-0.275-0.789-0.241l-31,4.011C20.373,4.084,20,4.507,20,5.01v6.017v4.212v25.384
	C18.174,38.428,15.273,37,12,37c-5.514,0-10,4.037-10,9s4.486,9,10,9s10-4.037,10-9c0-0.232-0.019-0.46-0.039-0.687
	C21.974,45.248,22,45.189,22,45.121V16.118l29-3.753v18.257C49.174,28.428,46.273,27,43,27c-5.514,0-10,4.037-10,9s4.486,9,10,9
	c5.464,0,9.913-3.966,9.993-8.867c0-0.013,0.007-0.024,0.007-0.037V11.227V7.016V1C53,0.712,52.876,0.438,52.66,0.249z"/>
    </svg>
    <span>D</span>
  </div>
  <div data-key="70" class="key">
    <svg version="1.1" id="capa_2" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
	 viewBox="0 0 415.963 415.963" style="enable-background:new 0 0 415.963 415.963;" xml:space="preserve">
      <path d="M328.712,264.539c12.928-21.632,21.504-48.992,23.168-76.064c1.056-17.376-2.816-35.616-11.2-52.768
        c-13.152-26.944-35.744-42.08-57.568-56.704c-16.288-10.912-31.68-21.216-42.56-35.936l-1.952-2.624
        c-6.432-8.64-13.696-18.432-14.848-26.656c-1.152-8.32-8.704-14.24-16.96-13.76c-8.384,0.576-14.88,7.52-14.88,15.936v285.12
        c-13.408-8.128-29.92-13.12-48-13.12c-44.096,0-80,28.704-80,64s35.904,64,80,64s80-28.704,80-64V165.467
        c24.032,9.184,63.36,32.576,74.176,87.2c-2.016,2.976-3.936,6.176-6.176,8.736c-5.856,6.624-5.216,16.736,1.44,22.56
        c6.592,5.888,16.704,5.184,22.56-1.44c4.288-4.864,8.096-10.56,11.744-16.512C328.04,265.563,328.393,265.083,328.712,264.539z"/>
    </svg>
    <span>F</span>
  </div>
  <div data-key="71" class="key">
    <svg version="1.1" id="capa" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
	 viewBox="0 0 55 55" style="enable-background:new 0 0 55 55;" xml:space="preserve">
      <path d="M52.66,0.249c-0.216-0.189-0.501-0.275-0.789-0.241l-31,4.011C20.373,4.084,20,4.507,20,5.01v6.017v4.212v25.384
	C18.174,38.428,15.273,37,12,37c-5.514,0-10,4.037-10,9s4.486,9,10,9s10-4.037,10-9c0-0.232-0.019-0.46-0.039-0.687
	C21.974,45.248,22,45.189,22,45.121V16.118l29-3.753v18.257C49.174,28.428,46.273,27,43,27c-5.514,0-10,4.037-10,9s4.486,9,10,9
	c5.464,0,9.913-3.966,9.993-8.867c0-0.013,0.007-0.024,0.007-0.037V11.227V7.016V1C53,0.712,52.876,0.438,52.66,0.249z"/>
    </svg>
    <span>G</span>
  </div>
  <div data-key="72" class="key">
    <svg version="1.1" id="capa_2" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
	 viewBox="0 0 415.963 415.963" style="enable-background:new 0 0 415.963 415.963;" xml:space="preserve">
      <path d="M328.712,264.539c12.928-21.632,21.504-48.992,23.168-76.064c1.056-17.376-2.816-35.616-11.2-52.768
        c-13.152-26.944-35.744-42.08-57.568-56.704c-16.288-10.912-31.68-21.216-42.56-35.936l-1.952-2.624
        c-6.432-8.64-13.696-18.432-14.848-26.656c-1.152-8.32-8.704-14.24-16.96-13.76c-8.384,0.576-14.88,7.52-14.88,15.936v285.12
        c-13.408-8.128-29.92-13.12-48-13.12c-44.096,0-80,28.704-80,64s35.904,64,80,64s80-28.704,80-64V165.467
        c24.032,9.184,63.36,32.576,74.176,87.2c-2.016,2.976-3.936,6.176-6.176,8.736c-5.856,6.624-5.216,16.736,1.44,22.56
        c6.592,5.888,16.704,5.184,22.56-1.44c4.288-4.864,8.096-10.56,11.744-16.512C328.04,265.563,328.393,265.083,328.712,264.539z"/>
    </svg>
    <span>H</span>
  </div>
</div>

<div data-key="32" class="secret">
  <svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" viewBox="0 0 32 40.00000125" version="1.1" x="0px" y="0px"><g transform="translate(0,-1020.3621)"><path style="color:#000000;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:medium;line-height:normal;font-family:sans-serif;text-indent:0;text-align:start;text-decoration:none;text-decoration-line:none;text-decoration-style:solid;text-decoration-color:#000000;letter-spacing:normal;word-spacing:normal;text-transform:none;direction:ltr;block-progression:tb;writing-mode:lr-tb;baseline-shift:baseline;text-anchor:start;white-space:normal;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" d="M 4.75 3.0019531 A 0.50004997 0.50004997 0 0 0 4.2910156 3.3789062 L 4.2382812 3.5761719 L 4.0410156 3.5234375 A 0.50004997 0.50004997 0 0 0 3.8925781 3.5019531 L 3.8925781 3.5039062 A 0.50004997 0.50004997 0 0 0 3.78125 4.4882812 L 3.9785156 4.5410156 L 3.9257812 4.7402344 A 0.5005348 0.5005348 0 1 0 4.8925781 5 L 4.9453125 4.8007812 L 5.1445312 4.8535156 A 0.50004997 0.50004997 0 1 0 5.4023438 3.8886719 L 5.2050781 3.8359375 L 5.2578125 3.6367188 A 0.50004997 0.50004997 0 0 0 4.75 3.0019531 z M 19.939453 4.0214844 A 0.50005 0.50005 0 0 0 19.890625 4.0234375 A 0.50005 0.50005 0 0 0 19.453125 4.3632812 L 16.888672 11.615234 A 0.50005 0.50005 0 1 0 17.830078 11.947266 L 20.396484 4.6953125 A 0.50005 0.50005 0 0 0 19.939453 4.0214844 z M 10.955078 4.1875 A 0.50367182 0.50367254 0 0 0 10.451172 4.6914062 A 0.50367182 0.50367254 0 0 0 10.955078 5.1953125 A 0.50367182 0.50367254 0 0 0 11.458984 4.6914062 A 0.50367182 0.50367254 0 0 0 10.955078 4.1875 z M 25.058594 5.1953125 A 0.50367182 0.50367254 0 0 0 24.554688 5.6992188 A 0.50367182 0.50367254 0 0 0 25.058594 6.203125 A 0.50367182 0.50367254 0 0 0 25.5625 5.6992188 A 0.50367182 0.50367254 0 0 0 25.058594 5.1953125 z M 6.3710938 5.5507812 A 0.50005 0.50005 0 0 0 6.0214844 6.4101562 L 13.1875 13.576172 A 0.50005 0.50005 0 1 0 13.894531 12.869141 L 6.7285156 5.703125 A 0.50005 0.50005 0 0 0 6.3710938 5.5507812 z M 15.480469 5.6328125 A 0.50005 0.50005 0 0 0 14.988281 6.140625 L 14.988281 12.751953 A 0.50005 0.50005 0 1 0 15.988281 12.751953 L 15.988281 6.140625 A 0.50005 0.50005 0 0 0 15.480469 5.6328125 z M 11.888672 6.4355469 A 0.50005 0.50005 0 0 0 11.443359 7.140625 L 12.78125 10.246094 A 0.50005 0.50005 0 1 0 13.699219 9.8496094 L 12.363281 6.7441406 A 0.50005 0.50005 0 0 0 11.888672 6.4355469 z M 23.779297 6.5742188 A 0.50005 0.50005 0 0 0 23.433594 6.71875 L 19.650391 10.341797 A 0.50008438 0.50008438 0 0 0 20.341797 11.064453 L 24.125 7.4414062 A 0.50005 0.50005 0 0 0 23.779297 6.5742188 z M 28.492188 8.4316406 A 0.50005 0.50005 0 0 0 28.267578 8.4882812 L 18.671875 13.355469 A 0.50051399 0.50051399 0 0 0 19.125 14.248047 L 28.720703 9.3808594 A 0.50005 0.50005 0 0 0 28.492188 8.4316406 z M 3.4980469 9.8886719 A 0.50005 0.50005 0 0 0 3.3203125 10.855469 L 5.6679688 11.804688 L 8.0175781 12.751953 L 10.367188 13.701172 A 0.50031297 0.50031297 0 0 0 10.742188 12.773438 L 8.3925781 11.824219 L 6.0429688 10.876953 L 3.6933594 9.9277344 A 0.50005 0.50005 0 0 0 3.4980469 9.8886719 z M 14.480469 13.761719 A 0.50005 0.50005 0 0 0 14.132812 14.621094 L 14.78125 15.269531 L 14.132812 15.917969 A 0.50005 0.50005 0 1 0 14.839844 16.625 L 15.488281 15.976562 L 16.136719 16.625 A 0.50005 0.50005 0 1 0 16.84375 15.917969 L 16.195312 15.269531 L 16.84375 14.621094 A 0.50005 0.50005 0 0 0 16.480469 13.761719 A 0.50005 0.50005 0 0 0 16.136719 13.914062 L 15.488281 14.5625 L 14.839844 13.914062 A 0.50005 0.50005 0 0 0 14.480469 13.761719 z M 27.568359 13.849609 A 0.50004997 0.50004997 0 0 0 27.076172 14.355469 L 27.076172 14.560547 L 26.871094 14.560547 A 0.50004997 0.50004997 0 1 0 26.871094 15.560547 L 27.076172 15.560547 L 27.076172 15.765625 A 0.50004997 0.50004997 0 1 0 28.076172 15.765625 L 28.076172 15.560547 L 28.28125 15.560547 A 0.50004997 0.50004997 0 1 0 28.28125 14.560547 L 28.076172 14.560547 L 28.076172 14.355469 A 0.50004997 0.50004997 0 0 0 27.568359 13.849609 z M 6.421875 14.769531 A 0.50005 0.50005 0 1 0 6.421875 15.769531 L 12.970703 15.769531 A 0.50005 0.50005 0 1 0 12.970703 14.769531 L 6.421875 14.769531 z M 18.015625 14.769531 A 0.50005 0.50005 0 1 0 18.015625 15.769531 L 24.554688 15.769531 A 0.50005 0.50005 0 1 0 24.554688 14.769531 L 18.015625 14.769531 z M 11.373047 16.53125 A 0.50005 0.50005 0 0 0 11.195312 16.574219 L 7.8886719 17.998047 A 0.50005 0.50005 0 1 0 8.2851562 18.916016 L 11.589844 17.492188 A 0.50005 0.50005 0 0 0 11.373047 16.53125 z M 20.210938 16.636719 A 0.50005 0.50005 0 0 0 20.03125 17.601562 L 27.484375 20.611328 A 0.50035933 0.50035933 0 0 0 27.859375 19.683594 L 20.40625 16.675781 A 0.50005 0.50005 0 0 0 20.210938 16.636719 z M 17.630859 16.8125 A 0.50005 0.50005 0 0 0 17.283203 17.669922 L 24.449219 24.835938 A 0.50005 0.50005 0 1 0 25.15625 24.128906 L 17.990234 16.962891 A 0.50005 0.50005 0 0 0 17.630859 16.8125 z M 13.320312 17.021484 A 0.50005 0.50005 0 0 0 12.980469 17.179688 L 3.3867188 27.142578 A 0.50005413 0.50005413 0 0 0 4.1074219 27.835938 L 13.699219 17.873047 A 0.50005 0.50005 0 0 0 13.320312 17.021484 z M 15.480469 17.28125 A 0.50005 0.50005 0 0 0 14.988281 17.787109 L 14.988281 28.365234 A 0.50005 0.50005 0 1 0 15.988281 28.365234 L 15.988281 17.787109 A 0.50005 0.50005 0 0 0 15.480469 17.28125 z M 5.5722656 18.294922 A 0.50004997 0.50004997 0 0 0 5.1152344 18.671875 L 5.0625 18.871094 L 4.8632812 18.818359 A 0.50004997 0.50004997 0 0 0 4.7148438 18.798828 A 0.50004997 0.50004997 0 0 0 4.6054688 19.783203 L 4.8027344 19.835938 L 4.75 20.035156 A 0.50004997 0.50004997 0 1 0 5.7148438 20.292969 L 5.7675781 20.095703 L 5.9667969 20.148438 A 0.50004997 0.50004997 0 1 0 6.2246094 19.183594 L 6.0273438 19.130859 L 6.0800781 18.931641 A 0.50004997 0.50004997 0 0 0 5.6230469 18.294922 A 0.50004997 0.50004997 0 0 0 5.5722656 18.294922 z M 17.289062 18.974609 A 0.50005 0.50005 0 0 0 16.841797 19.679688 L 18.615234 23.794922 A 0.50005 0.50005 0 1 0 19.533203 23.398438 L 17.761719 19.283203 A 0.50005 0.50005 0 0 0 17.289062 18.974609 z M 13.625 19.597656 A 0.50005 0.50005 0 0 0 13.173828 19.917969 L 10.789062 25.822266 A 0.5003292 0.5003292 0 0 0 11.716797 26.197266 L 14.101562 20.291016 A 0.50005 0.50005 0 0 0 13.625 19.597656 z M 19.859375 24.15625 A 0.50004997 0.50004997 0 0 0 19.402344 24.533203 L 19.349609 24.730469 L 19.150391 24.677734 A 0.50004997 0.50004997 0 0 0 19.001953 24.65625 L 19.001953 24.658203 A 0.50004997 0.50004997 0 0 0 18.892578 25.642578 L 19.089844 25.695312 L 19.037109 25.894531 A 0.50004997 0.50004997 0 1 0 20.001953 26.154297 L 20.054688 25.955078 L 20.253906 26.007812 A 0.50004997 0.50004997 0 1 0 20.511719 25.042969 L 20.314453 24.990234 L 20.367188 24.791016 A 0.50004997 0.50004997 0 0 0 19.859375 24.15625 z M 10.416016 27.357422 A 0.50367182 0.50367254 0 0 0 9.9472656 27.861328 A 0.50367182 0.50367254 0 0 0 10.451172 28.363281 A 0.50367182 0.50367254 0 0 0 10.955078 27.861328 A 0.50367182 0.50367254 0 0 0 10.451172 27.357422 A 0.50367182 0.50367254 0 0 0 10.416016 27.357422 z " transform="translate(0,1020.3621)"/></g></svg>
</div>
              
            
!

CSS

              
                * {
  box-sizing: border-box;
}
body {
  background: #f1f1f1;
  font-family: 'Roboto', sans-serif;
}
h1 {
  margin: 0;
  padding: 10px;
}
.notes {
  display: flex;
  justify-content: center;
  align-items: center;
  width: calc(100vw - 20px);
  height: calc(100vh - 56px);
}
.key {
  display: flex;
  flex-flow: column wrap;
  justify-content: center;
  align-items: center;
  transition: all 300ms ease;
  transform: scale(1);
  span {
    font-size: 24px;
    display: block;
    margin-top: 10px; 
  }
  svg {
    width: 60px;
    height: 60px;
    transform: scale(0);
  }
  &.active {
    transform: scale(1.1);
    svg {
      transform: scale(1);
    }
  }
}

.secret {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  transition: all 300ms ease;
  transform: scale(0);
  svg {
    width: 99vw;
    height: 99vh;
  }
  &.active {
    transform: scale(1);
  }
}
              
            
!

JS

              
                function playNote(e) {
  const key = document.querySelector(`.key[data-key="${e.keyCode}"]`);
  if (!key) return;
  key.classList.toggle('active');
}

function removeTransition(e) {
  if (e.propertyName !== 'transform') return;
  this.classList.remove('active');
}

const keys = document.querySelectorAll('.key');
keys.forEach(key => key.addEventListener('transitionend', removeTransition));

window.addEventListener('keydown', playNote);


// Secret stuff for bonfire night

function firework(e) {
  const firewo = document.querySelector(`.secret[data-key="${e.keyCode}"]`);
  if (!firewo) return;
  firewo.classList.toggle('active');
}

const secrets = document.querySelectorAll('.secret');
secrets.forEach(key => key.addEventListener('transitionend', removeTransition));

window.addEventListener('keydown', firework);
              
            
!
999px

Console