.audio-player {

  height: 40px;
  width: 100%;

  color: white;
  font-size: 0.75em;
  overflow: hidden;
  display: grid;
  grid-template-rows: 8px auto;

  background: linear-gradient( #888, black);
  box-shadow: 0 0 0.5em 0 #666;
  margin-bottom: 1em;

  .timeline {
    background: rgb(139, 139, 139);
    box-shadow: 0 2px 8px 0 #0008;
    width: 100%;
    position: relative;
    cursor: pointer;
    .progress {
      background: rgb(52, 31, 247);;
      height: 100%;
      width: 0;
      transition: 0.2s;
    }
  }

  .controls {
    padding: 0 15px;
    display: flex;
    justify-content: space-between;

    > * {
      display: flex;
      align-items: center;
    }

    .play-controller {
      font-size: 1.4em;
      &:hover {
        text-shadow: 0 0 20px white;
      }
    }
    .time {
      display: flex;

      > * {
        padding: 2px;
      }
    }
    .volume-container {
      cursor: pointer;
      .volume-controller {
        height: 26px;
        width: 10px;
        display: flex;
        align-items: center;
        .volume {
          transform: scale(0.7);
        }
      }

      position: relative;
      z-index: 2;
      .volume-slider {
        position: absolute;
        left: -3px; 
        top: 0;
        z-index: -1;
        width: 0;
        height: 100%;
        background: white;
        box-shadow: 0 0 20px #000a;
        transition: .25s;
        .volume-percentage {
          height: 100%;
          width: 75%;
          background: rgb(52, 31, 247);
      }
      }
      &:hover {
        .volume-slider {
          left: -123px;
          width: 120px;
        }
      }
    }
  }
}