/* CSS files add styling rules to your content */

body {
  font-family: helvetica, arial, sans-serif;
  margin: 2em;
}

#button {
  border-radius: 500px;
  background: red;
  color: white;
  font-weight: bold;
  border: none;
  margin: 0 auto;
  width: 50%;
  font-size: 5vh;
  text-align: center;
  line-height: 500px;
  width: 500px;
  height: 500px;
  display: block;
  cursor: pointer;
}

#button:hover {
  background: tomato;
}

#button:active {
  background: firebrick;
}

#audio {
  display: none;
}