#music-player {
  position: relative;
  z-index: 30;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 12px;
  width: min(300px, calc(100vw - 32px));
  margin: 16px auto 0;
  padding: 12px;
  border: 1px solid rgba(125, 207, 255, .8);
  border-radius: 0;
  background: rgba(36, 40, 59, .82);
  box-shadow: 0 12px 36px rgba(3, 9, 20, .35), inset 0 1px rgba(255, 255, 255, .14);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  color: #c0caf5;
  font: 12px/1.35 'Roboto', sans-serif;
}

#music-player button {
  display: grid;
  place-items: center;
  flex: 0 0 42px;
  height: 42px;
  padding: 0;
  border: 1px solid #7dcfff;
  border-radius: 0;
  background: rgba(125, 207, 255, .12);
  color: #7dcfff;
  font: inherit;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

#music-player button:disabled { opacity: .45; cursor: default; }
#music-player button:focus-visible { outline: 2px solid #c0caf5; outline-offset: 2px; }
#music-player .music-player__details { display: flex; flex-direction: column; min-width: 0; }
#music-player strong { font-size: 13px; }
#music-player small { color: #9aa5ce; }