#c2s_audioplayer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f5f5f5;
    border: none;
    width:350px;
    height:35px;
    border-radius:25px;
}

#c2s_playBtn {
    border: none;
    background-color: Transparent;
    color:#0d57a6; 
    margin-left:10px;
}

@-moz-document url-prefix() {
    #c2s_playBtn:active:hover {
      padding-inline-start: 8px;
      padding-inline-end: 8px;
  }
    #c2s_volume:active:hover {
      padding-inline-start: 8px;
      padding-inline-end: 8px;
  }
}

#c2s_time {
    font-size: 14px;
    display: inline;
}

#c2s_slider {
    margin-left:5px;
    border:none;
    background-color:Transparent;
}

#c2s_volume {
    margin-right:10px;
    border: none;
    background-color: Transparent;
    color:#0d57a6;
}

input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 7px;
  cursor: pointer;
  background-color: silver;
  border-radius: 5px;
}

input[type=range]::-moz-range-track {
  width: 100%;
  height: 7px;
  cursor: pointer;
  background-color: silver;
  border-radius: 5px;
}

input[type=range]::-ms-track {
  width: 100%;
  height: 7px;
  cursor: pointer;
  background-color: silver;
  border-color: transparent;
  border-width: 16px 0;
  color: transparent;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  border: 6px solid #0d57a6;
  background: #0d57a6;
  height: 14px;
  width: 14px;
  border-radius: 50%;
  cursor: pointer;
  margin-top: -4px;
}

input[type=range]::-moz-range-thumb {
  border: 6px solid #0d57a6;
  background: #0d57a6;
  height: 4px;
  width: 4px;
  border-radius: 50%;
  cursor: pointer;
  margin-top: -4px;
}

input[type=range]::-ms-thumb {
  border: 6px solid #0d57a6;
  background: #0d57a6;
  height: 8px;
  width: 8px;
  border-radius: 50%;
  cursor: pointer;
  margin-top: -4px;
}

.play_btn_card {
    border: none;
    background: none;
    color: lightgrey;
    padding: 0;
    margin-right: 0px;
}

.play_btn_card:hover {
    color:grey;
}

#audio_gen_btn.button {
    margin-top: 7px;
    float:left;
    margin-right:10px;
}

#div_readab {
    text-align: right;
}

#readability {    
    margin-top: 3px;
    display: inline-block;
}

#audio_gen_txt {
    width: 100%;
}