.sb-soundplayer-volume {
  position: relative;
}
.sb-soundplayer-volume:hover div {
  width: 80px;
}
.sb-soundplayer-volume div {
  overflow: hidden;
  width:0;
  -webkit-transition: width .2s ease-out;
  transition: width .2s ease-out;
  position: relative;
}
.sb-soundplayer-volume-range {
  -webkit-appearance: none;
  width: 98%;
}
.sb-soundplayer-volume-range:focus {
  outline: none;
}
/* track */
.sb-soundplayer-volume-range::-webkit-slider-runnable-track {
  width: 100%;
  height: 0.2em;
  cursor: pointer;
  animate: 0.2s;
  background: #DDD;
  border-radius: 1.3px;
}
.sb-soundplayer-volume-range::-moz-range-track {
  width: 100%;
  height: 0.2em;
  cursor: pointer;
  animate: 0.2s;
  background: #DDD;
  border-radius: 1.3px;
}
.sb-soundplayer-volume-range::-ms-track {
  width: 100%;
  height: 0.2em;
  cursor: pointer;
  animate: 0.2s;
  background: #DDD;
  border-radius: 1.3px;
}
/* thumb dial */
.sb-soundplayer-volume-range::-moz-range-thumb {
  height: 1em;
  width: 1em;
  border-radius: 1em;
  background: #FC561E;
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -0.4em;
}
.sb-soundplayer-volume-range::-webkit-slider-thumb {
  height: 1em;
  width: 1em;
  border-radius: 1em;
  background: #FC561E;
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -0.4em;
}
.sb-soundplayer-volume-range::-ms-thumb {
  height: 1em;
  width: 1em;
  border-radius: 1em;
  background: #FC561E;
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -0.4em;
}
/* progress fill */
.sb-soundplayer-volume-range::-ms-fill-lower {
  background: #FC561E;
}