html,
body {
  margin: 0;
  padding: 0;
  overflow: hidden;
}
.wraper {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50%;
  height: 20px;
  box-shadow: 1px 0 2px #000 inset, 0px 0px 5px #000;
  border-radius: 100px;
}
.wraper .content {
  position: absolute;
  height: 100%;
  left: 0;
  top: 0;
  border-radius: 100px;
  background-color: orange;
}
.round {
  position: absolute;
  border-radius: 50%;
}