html, body {
  color: white;
  background-color: black;
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

@media (max-width: 600px) {
  #controls {
    display: none;
  }
}

span {
  font-size: x-large;
  margin-left: 10px;
}

.float {
  position: absolute;  
}