#progress-bar {
  width: 100%;
  height: 20px;
  background: #ccc;
  border: 1px solid #000;
  margin-bottom: 20px;
  position: relative;
  color: #fff;
}

#progress-bar .current-progress {
  background: green;
  height: 100%;
  width: 0;
  position: absolute;
  left: 0;
  top: 0;
  overflow: visible;
  z-index: 1;
}

#progress-bar .current-progress.error {
  background-color: red;
}

#progress-bar .info-text {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
}