#myProgress {
  position: relative;
  width: 100%;
  height: 30px;
  background-color: #ddd;
  border: 10px;
  border-radius: 10px;  
}

#myBar {
  position: absolute;
  width: 0%;
  height: 100%;
  background-color: #4CAF50;
  border-radius: 10px;  
}