*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body{
  background-color: black;
}

.app{
  height: 100vh;
  display: flex;
  justify-content: space-evenly;
  align-items: center;
}

.time-select,
.sound-picker,
.player-container{
  height: 80%;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  align-items: center;
}

.player-container svg{
  position: absolute;
  height: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-90deg);
  pointer-events: none;
}

.time-display{
  position: absolute;
  bottom: 10%;
  color: white;
  font-size: 50px;
}

.video {
  position: fixed;
  top: 0%;
  left: 0%;
  width: 100%;
  height: 100vh;
  z-index: -1;
}

.time-select button,
.sound-picker button{
  color: white;
  width: 30%;
  height: 10%;
  background: none;
  border: 2px solid white;
  cursor: pointer;
  border-radius: 5px;
  font-size: 20px;
  transition: all 0.5s ease;
}
.time-select button{
  width: 35%;
  background: rgba(2, 245, 233, 0.2);
}
.time-select button:hover{
  color: black;
  background: white;
  border: 5px solid gold;
}

.play:hover{
  transform: scale(1.2);
  opacity: 1;
}

.sound-picker button{
  border: none;
  height: 100px;
  width: 100px;
  border-radius: 50%;
  padding: 30px;
  transition: all 0.5s ease;
}

.sound-picker button:hover{
  border: 5px solid gold;
}

.sound-picker button:nth-child(1){
  background: rgba(59, 121, 255, 0.5);
}

.sound-picker button:nth-child(2){
  background: rgba(247, 156, 59, 0.5);
}

.sound-picker button:nth-child(3){
  background: rgba(100, 242, 12, 0.5);
}

.sound-picker button:nth-child(4){
  background: rgba(110, 217, 250, 0.5);
}

.sound-picker button:nth-child(5){
  background: rgba(201, 106, 252, 0.5);
}

.sound-picker button img{
  height: 100%;
}


.time-display:focus,
.time-select button:focus,
.sound-picker button:focus,
.play:focus{
  border: 6px solid gold;
}

details{
  color: white;
  font-size: 18px;
  float: right;
  margin-right: 10%;
  margin-top: -30px;
}

li{
  list-style: none;
}

a{
  font-size: 16px;
  color: white;
  text-decoration: none;
}

a:visited{
  color: red;
  text-decoration: none;
}