body {
  background-color: black;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  overflow: hidden;
}

#number {
  font-size: 2vw;
  color: #808080;
  margin: 1vw;
  margin-top: 1.5vw;
  line-height: 2vw;
  text-align: right;
}

#numberWord {
  font-size: 3vw;
  color: white;
  line-height: 3vw;
  margin: 1vw;
  white-space: nowrap;
  text-align: right;
}

button {
  border: 0.3vh solid white;
  background-color: black;
  color: white;
  font-size: 2vh;
  margin-bottom: 1vh;
}

#controlsButton {
  position: absolute;
  bottom: -0.4vh;
  right: 0.6vh;
}

#controlsDiv {
  position: absolute;
  bottom: 4.1vh;
  right: 0.6vh;
  padding: 0.6vh;
  background-color: rgba(255, 255, 255, 0.15);
  display: none;
}

#currentSpeedText {
  color: white;
  margin: 0;
  font-size: 2vh;
}