#player {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 80%;
}
#info {
  position: absolute;
  top: 80%;
  left: 0;
  width: 100%;
  height: 20%;
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
  border-radius: 0;
}
#info .title {
  font-size: 2vw;
  text-align: center;
}
#info #controls {
  position: absolute;
  bottom: 20%;
  left: 0;
  width: 100%;
}
#controls {
  text-align: center;
}
#line {
  position: absolute;
  top: 0;
  left: 25%;
  width: 2%;
  height: 100%;
  background: black;
}
.chord {
  position: absolute;
  top: 50%;
  width: 8vw;
  transform: translateY(-50%);
  right: 1%;
}
.chord.play {
  right: 150%;
  transition: right linear 4s;
}
.chord .note {
  width: 8vw;
  height: 8vw;
  border-radius: 50%;
  text-align: center;
  line-height: 8vw;
  font-size: 5vw;
  margin-bottom: 1vw;
  color: #fff;
  -webkit-text-stroke: 3px black;
}