JSFiddle - React, Tailwind, and code Playground

by D S

CSS

.bar {
  float: left;
  position: absolute;
  width: 96%;
  height: 10px;
  bottom: 10px;
  border: 1px solid #000;
  margin-left: 2%
}

.bar {
  border: 1px solid #fff
}

.bar > .buffer {
  background: rgba(185, 176, 176, 0.8);
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.5);
  width: 0;
  height: 100%
}

.bar > .played {
  background: rgba(0, 0, 0, 0.6);
  width: 0;
  height: 100%;
  position: absolute;
  top: 0
}

.bar > .played {
  background: rgba(255, 255, 255, 0.6)
}
.bar > .played > .handle {
  float: right;
  width: 2px;
  height: 16px;
  background: rgba(0, 0, 0, 0.6);
  margin-top: -3px
}

.bar > .played > .handle {
  background: rgba(255, 255, 255, 0.6)
}