body {
  margin: 0;
  height: 100%;
  overflow: hidden;
}

canvas {
  max-width: 100%;
}

button {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  border-radius: 200px;
  border: solid 1px white;
  cursor: pointer;
  outline: none;
}

button:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

#gameStart {
  position: fixed;
  left: 50%;
  top: 80%;
  transform: translate(-50%, -50%);
  padding: 10px 70px;
  font-size: 36px;
}

#soundMute {
  position: fixed;
  right: 20px;
  top: 50px;
  display: block;
  padding: 6px 20px;
  margin: 10px;
  font-size: 16px;

}

.active {
  background-color: rgba(255, 255, 255, 0.8);
}

.none {
  display: none;
}