.progress-bar {
  width: 99%;
  height: 5px;
  margin: 0 auto;
  margin-top: 10px;
  background-color: #f2f2f2;
  position: relative;
}
 
.progress {
  height: 100%;
  background-color: #4caf50;
  position: absolute;
  margin: 0 auto;
  bottom: 0;
  left: 0;
  width: 0%;
}