#progress_bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 5px;
  z-index: 100;
  background-color: #48add8;
}

.percentage {
  position: absolute;
  top: 11px;
  right: 0;
  font-size: 0.75em;
  border-radius: 4px;
  border-bottom-right-radius: 0;
  padding: 1px 4px;
  background: #48add8;
  color: #fff;
}

.percentage:before {
      content: '';
    display: block;
    position: absolute;
    top: -5px;
    right: 0;
    width: 0;
    height: 0;
    border-right: 5px solid transparent;
    border-bottom: 5px solid #48add8;
}