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HTML

              
                <nav class="navbar navbar-inverse navbar-fixed-top">
    <div class="container">
      <div class="navbar-header">
        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
            <span class="sr-only">Toggle navigation</span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
          </button>
        <a href="https://dmva8g835h3sv.cloudfront.net/"class="navbar-brand">Wayne Burris</a>
      </div>
      <div id="navbar" class="navbar-collapse collapse">
        <ul class="nav navbar-nav navbar-right">
          <li><a href="https://www.freecodecamp.com/waterseeker"><i class="fa fa-free-code-camp fa-lg" aria-hidden="true"></i></a></li>
          <li><a href="https://github.com/waterseeker"><i class="fa fa-github-square fa-lg" aria-hidden="true"></i></a></li>
          <li><a href="https://www.linkedin.com/in/wayne-burris-2a655318"><i class="fa fa-linkedin-square fa-lg" aria-hidden="true"></i></a></li>
          <li><a href="https://codepen.io/waterseeker/"><i class="fa fa-codepen fa-lg" aria-hidden="true"></i></a></li>
        </ul>
      </div>
      <!--/.nav-collapse -->
    </div>
</nav> <!--   end of navbar -->
<div id="wrapper">
<div class="keys">
    <div data-key="65" class="key">
      <kbd>A</kbd>
      <span class="sound">clap</span>
    </div>
    <div data-key="83" class="key">
      <kbd>S</kbd>
      <span class="sound">hihat</span>
    </div>
    <div data-key="68" class="key">
      <kbd>D</kbd>
      <span class="sound">kick</span>
    </div>
    <div data-key="70" class="key">
      <kbd>F</kbd>
      <span class="sound">openhat</span>
    </div>
    <div data-key="71" class="key">
      <kbd>G</kbd>
      <span class="sound">boom</span>
    </div>
    <div data-key="72" class="key">
      <kbd>H</kbd>
      <span class="sound">ride</span>
    </div>
    <div data-key="74" class="key">
      <kbd>J</kbd>
      <span class="sound">snare</span>
    </div>
    <div data-key="75" class="key">
      <kbd>K</kbd>
      <span class="sound">tom</span>
    </div>
    <div data-key="76" class="key">
      <kbd>L</kbd>
      <span class="sound">tink</span>
    </div>
  </div>
</div> <!-- end of wrapper -->
  <audio data-key="65" src="https://raw.githubusercontent.com/wesbos/JavaScript30/master/01%20-%20JavaScript%20Drum%20Kit/sounds/clap.wav"></audio>
  <audio data-key="83" src="https://raw.githubusercontent.com/wesbos/JavaScript30/master/01%20-%20JavaScript%20Drum%20Kit/sounds/hihat.wav"></audio>
  <audio data-key="68" src="https://raw.githubusercontent.com/wesbos/JavaScript30/master/01%20-%20JavaScript%20Drum%20Kit/sounds/kick.wav"></audio>
  <audio data-key="70" src="https://raw.githubusercontent.com/wesbos/JavaScript30/master/01%20-%20JavaScript%20Drum%20Kit/sounds/openhat.wav"></audio>
  <audio data-key="71" src="https://raw.githubusercontent.com/wesbos/JavaScript30/master/01%20-%20JavaScript%20Drum%20Kit/sounds/boom.wav"></audio>
  <audio data-key="72" src="https://raw.githubusercontent.com/wesbos/JavaScript30/master/01%20-%20JavaScript%20Drum%20Kit/sounds/ride.wav"></audio>
  <audio data-key="74" src="https://raw.githubusercontent.com/wesbos/JavaScript30/master/01%20-%20JavaScript%20Drum%20Kit/sounds/snare.wav"></audio>
  <audio data-key="75" src="https://raw.githubusercontent.com/wesbos/JavaScript30/master/01%20-%20JavaScript%20Drum%20Kit/sounds/tom.wav"></audio>
  <audio data-key="76" src="https://raw.githubusercontent.com/wesbos/JavaScript30/master/01%20-%20JavaScript%20Drum%20Kit/sounds/tink.wav"></audio>


              
            
!

CSS

              
                #wrapper {
  font-size: 10px;
  background: url(https://i.imgur.com/b9r5sEL.jpg) bottom center;
  background-size: cover;
}
body,html {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
}

.keys {
  display: flex;
  flex: 1;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
}

.key {
  border: .4rem solid black;
  border-radius: .5rem;
  margin: 1rem;
  font-size: 1.5rem;
  padding: 1rem .5rem;
  transition: all .07s ease;
  width: 10rem;
  text-align: center;
  color: white;
  background: rgba(0,0,0,0.4);
  text-shadow: 0 0 .5rem black;
}

.playing {
  transform: scale(1.3);
  border-color: blue;
  box-shadow: 0 0 1rem blue;
}

kbd {
  display: block;
  font-size: 4rem;
}

.sound {
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: .1rem;
  color: #ffc600;
}
              
            
!

JS

              
                function playSound(e) {
    const audio = document.querySelector(`audio[data-key="${e.keyCode}"]`);
    const key = document.querySelector(`.key[data-key="${e.keyCode}"]`);
    if(!audio) return; //stops the funciton from running
    audio.currentTime = 0; //goes to beginning of audio clip
    audio.play();
    key.classList.add('playing');
};
function removeTransition(e) {
  if(e.propertyName !== 'transform') return;
  this.classList.remove('playing');
};
const keys = document.querySelectorAll('.key');
keys.forEach(key => key.addEventListener('transitionend',removeTransition)); // skip it if it's not a transform
window.addEventListener('keydown', playSound);
              
            
!
999px

Console