CodePen

HTML

            
              <div id="navbar">
                <a href="#home" id='navbar_home' class='icon home'>home</a>
                <a href="#sketch" id='navbar_pencil' class='icon pencil'>Sketch</a>
                <a href="#picture" id='navbar_picture' class='icon picture'>Picture</a>
 </div>

            
          
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↑ Insert the most common viewport meta tag

CSS

            
              
            
          
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JS

            
              
            
          
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