.percent {
  position: fixed;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.2);
  height: 140px;
  width: 1px;
  margin: -60px 0 0 40px;
}

/*---
.percent {
    position: fixed;
    display: flex;
    top: 50%;
    transform: translateY(-50%);
    right: 100px;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.2);
    height: 140px;
    width: 1px;
}
--*/

.fill {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: #fff;
  transition: background 0.15s ease;
}