* {
  box-sizing: border-box;
}

header {
  left: 0;
  right: 0;
  top: 0;
  position: fixed;
  text-align: center;
  color: white;
  text-shadow: 5px 5px red;
  background-color: #ee5ed1;
  height: 80px;
}
#menu-btn {
  margin-left: 1%;
  border: none;
  background-color: inherit;
  position: fixed;
  left: 2px;
  top: 55px;
  color: white;
}
#menu-btn:hover {
  text-shadow: 2px 2px 3px black;
}
#menu-bar {
  display: none;
  width: 20%;
  height: 100%;
  position: fixed;
  top: 80px;
  left: 0;
  color: white;
  background-color: #ee5ed1;
  z-index: 1;
}
.menu-item {
  display: block;
  padding: 15px 15px;
  border: blueviolet 1px solid;
  border-bottom: none;
  text-decoration: none;
  color: black;
}
.menu-item:last-child {
  border-bottom: blueviolet 1px solid;
}

#setting-btn:hover {
  text-shadow: white 1px 1px 5px;
}

#playList-btn:hover {
  text-shadow: white 1px 1px 5px;
}
#contactUs-btn:hover {
  text-shadow: white 1px 1px 5px;
}
#aboutUs-btn:hover {
  text-shadow: white 1px 1px 5px;
}

main {
  background-image: radial-gradient(
    rgb(192, 62, 192),
    rgb(62, 62, 190),
    rgb(223, 50, 50)
  );
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  height: 100vh;
  overflow: auto;
}

#main-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 640px;
}
#musicName {
  font-family: "Courier New";
  font-weight: bold;
}
#pause-btn {
  display: none;
}

#control-btns {
  margin-top: 20px;
}
.control-btn {
  margin: 5px 5vw;
  color: red;
}

#prev-btn:hover {
  text-shadow: 2px 2px 5px rgb(0, 0, 0);
}
#backward-btn:hover {
  text-shadow: 2px 2px 5px rgb(0, 0, 0);
}
#play-btn:hover {
  text-shadow: 2px 2px 5px rgb(0, 0, 0);
}
#pause-btn:hover {
  text-shadow: 2px 2px 5px rgb(0, 0, 0);
}
#forward-btn:hover {
  text-shadow: 2px 2px 5px rgb(0, 0, 0);
}
#next-btn:hover {
  text-shadow: 2px 2px 5px rgb(0, 0, 0);
}

#music-caption {
  margin-top: 40px;
  height: 350px;
  border-radius: 50%;
  border: red 2px groove;
  animation: music-caption-rotate 30s infinite linear paused;
}
#background {
  display: flex;
  flex-direction: row;
}
#musicTimer,
#volumeControl {
  margin: 0px 5vw;
}

#volumeSlider {
  -webkit-appearance: none;
  background: blueviolet;
  background-image: linear-gradient(#4fe74f, #e5fefe);
  background-size: 50%;
  background-repeat: no-repeat;
  height: 10px;
}
#volumeSlider::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 15px;
  width: 15px;
  border-radius: 50%;
  background: rgb(233, 125, 125);
}
#volumeControl i {
  color: rgb(99, 0, 0);
}
.animatedBars {
  margin: 85px 50px;
  display: flex;
  flex-direction: row;
  height: 250px;
}
.animatedBar {
  height: 100%;
  width: 20px;
  margin: 2px;
  border-radius: 20px;
  background-image: radial-gradient(red, yellow, blue);
  background-repeat: no-repeat;
  animation: animated-bar 2s infinite ease-in-out paused;
}

#duration-bar {
  -webkit-appearance: none;
  background-color: #ee5ed1;
  background-image: radial-gradient(red, green);
  background-repeat: no-repeat;
  background-size: 0%;
  height: 5px;
  width: 100%;
}
#duration-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 10px;
  width: 15px;
  border-radius: 0 50% 50% 0;
  background-image: radial-gradient(#5dfd01, red);
}

@keyframes music-caption-rotate {
  100% {
    transform: rotate(360deg);
  }
}
@keyframes animated-bar {
  to {
    background-image: radial-gradient(blue, yellow, red);
  }
}

@media (max-width: 768px) {
  #background {
    flex-direction: column;
  }
  .animatedBars {
    flex-direction: column;
    width: 100%;
    height: 40px;
    margin: 10px 0;
  }
  .animatedBar {
    height: 10px;
    width: 100%;
    margin-bottom: 0;
  }
  #music-caption {
    margin: 10px 0;
    height: 250px;
  }
}
@media (max-width: 480px) {
  .control-btn {
    margin: auto 3vw;
    font-size: 12px;
  }
  #animatedBars {
    height: 30px;
  }
  #music-caption {
    height: 150px;
  }
  #volumeSlider {
    width: 20vw;
    height: 1vh;
  }
  #volumeSlider::-webkit-slider-thumb {
    height: 8px;
    width: 8px;
  }
  #volumeControl i {
    font-size: 11px;
  }
  #duration,
  #currentTime {
    font-size: 10px;
  }
  #menu-bar {
    width: 40%;
  }
}