* {
  box-sizing: border-box;
  font-family: 'Roboto Slab', sans-serif;
  font-weight: 100;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  background-color: #232323;
  color: #ffffff;
  line-height: 20px;
  height: 100%;
  overflow: hidden;
  font-family: 'Roboto Slab', sans-serif;
  font-size: 13px;
  font-weight: 100;
}

b {
  font-weight: bold;
}

div.panel {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate3d(-50%, -50%, 0);
  line-height: 1.4em;
  font-size: 3vw;
  white-space: nowrap;
}

note {
  font-size: 2vw;
  display: block;
  line-height: 1.4em
}

.controls {}

.controls p {
  font-size: 2vw;
  position: relative;
  margin: 20px 0;
}

.controls input[type=range] {
  position: absolute;
  left: 30%;
  right: 0;
  top: 50%;
  margin-top: -10px;
  width: 70%;
}

.click {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, .9);
  color: white;
  z-index: 100;
  width: 100%;
  height: 100%;
  pointer-events: auto;
}

.click p {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate3d(-50%, -50%, 0);
  text-align: center;
}