.muteButton {
  background-color: hsla(0, 0%, 100%, 1);
  background-image: url(img/Icon_Audio_Autoplay.svg);
  background-size: 70%;
  background-repeat: no-repeat;
  background-position: 5px 10px;
  position: fixed;
  right: 85px;
  top: 27px;
  border-radius: 50%;
  height: 36px;
  width: 36px;
  font-size: 0;
  z-index: 999;
  box-shadow: 0 4px 4px rgba(0, 0, 0, .1);
  transition: transform .3s;
  }

  .muteNarator .muteButton {
    background-position: 6px -23px;
  }

  .muteButton .tooltip {
    top: 50%;
    right: calc(100% + 1.5rem);
    width: max-content;
    align-items: center;
    background-color: #000;
    border: 1px solid #000;
    border-radius: 0.4rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .1);
    color: #fff;
    display: flex;
    font-size: 1.2rem;
    font-weight: 600;
    justify-content: center;
    line-height: 1.6rem;
    opacity: 0;
    padding: 1.2rem 1.6rem;
    pointer-events: none;
    position: absolute;
    text-align: center;
    transform: translateY(-50%);
    transition: opacity .3s, transform .3s;
    z-index: 11;
  }

  .muteButton .tooltip::after {
    background-color: #000;
    border-color: #000;
    border-style: none solid solid none;
    border-width: 1px;
    content: "";
    height: 1rem;
    left: calc(100% - 0.5rem);
    position: absolute;
    top: calc(50% - 0.5rem);
    transform: rotate(-45deg);
    width: 1rem;
  }

  .muteButton:hover .tooltip {
    opacity: 1;
  }

  @media(max-width: 52.4375em),
  (pointer:coarse) {
    .muteButton {
      top: unset;
      bottom: 14px;
      right: 22px;
      height: 4.8rem;
      margin: 0 0.6rem;
      transition-timing-function: ease-in;
      width: 4.8rem;
      background-position: 5px 13px;
    }

    .muteNarator .muteButton {
      background-position: 6px -31px;
    }
  }