@import url("https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css");
*, *:before, *:after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  z-index: 0;
}

html, body {
  font-size: 17.8px;
}

body {
  font-family: Arial, sans-serif;
}

article.audio-player {
  background-color: #abd5ee;
  border: 1px dotted transparent;
  float: left;
  height: 150px;
  margin: 50px 0 0 50px;
  padding: 0.5rem;
  position: relative;
  width: 150px;
}
article.audio-player:hover {
  border: 1px dotted blue;
}
article.audio-player audio {
  display: none;
}
article.audio-player .audio-pie {
  animation-delay: 0s;
  bottom: 0;
  color: #432065;
  border-radius: 50%;
  background: #4199ff;
  background-image: linear-gradient(to right, transparent 50%, currentColor 0);
  height: 8rem;
  left: 0;
  margin: auto;
  position: absolute;
  right: 0;
  top: 0;
  width: 8rem;
}
article.audio-player .audio-pie:before {
  animation: spin 50s linear infinite, bg 100s step-end infinite;
  animation-delay: inherit;
  animation-play-state: paused;
  content: "";
  display: block;
  height: 100%;
  border-radius: 0 100% 100% 0/50%;
  background-color: inherit;
  margin-left: 50%;
  transform-origin: left;
}
article.audio-player .audio-pie:after {
  content: "";
  display: block;
  height: 5.5rem;
  width: 5.5rem;
  border-radius: 50%;
  background-color: inherit;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  pointer-events: none;
  z-index: 0;
}
article.audio-player .audio-controls {
  pointer-events: none;
  top: 0;
  bottom: 3rem;
  background-color: #abd5ee;
  border-top-left-radius: 3rem;
  border-top-right-radius: 3rem;
}
article.audio-player .audio-controls button {
  background-color: transparent;
  border: none;
  font-size: 2.8rem;
}
article.audio-player .audio-controls button:hover {
  color: white;
  cursor: pointer;
}
article.audio-player .audio-controls button.audio-pause, article.audio-player .audio-controls button.audio-stop {
  display: none;
}
article.audio-player .audio-info {
  pointer-events: none;
  top: 3rem;
  bottom: 0;
  background-color: #3300CC;
  border-bottom-left-radius: 3rem;
  border-bottom-right-radius: 3rem;
}
article.audio-player .audio-controls, article.audio-player .audio-info {
  left: 0;
  right: 0;
  height: 37.5%;
  width: 75%;
  display: block;
  margin: auto;
  position: absolute;
  overflow: hidden;
  color: white;
  text-align: center;
  line-height: 3rem;
  white-space: nowrap;
  z-index: 1;
}

/* ANIMATIONS */
@keyframes spin {
  to {
    transform: rotate(0.5turn);
  }
}
@keyframes bg {
  50% {
    background: currentColor;
  }
}
iframe {
  border: 1px dotted black;
  height: 1rem;
  display: block;
  width: 100%;
}