css classes for showing password strength in meter component

app.scss

.progress{
  height: 10px;
  width: 0%;
  background-color: transparent;
}

.progress.low{
  background-color: red;  
  color:red;
  width: 10%;
}

.progress.medium{
  background-color: orange;
  color: orange;
  width: 50%;
}

.progress.high{
  color: green;
  background-color: green;
  width:100%;
}