body{
    margin 0;
    padding: 0;
    background: #111;
}
h1{
   text-align: center;
    color: aliceblue;
}
 
.progress-bar1 div {
  position: absolute;
  height: 100px;
  width: 100px;
  border-radius: 50%;
}
 
.progress-bar1 div span {
  position: absolute;
  font-family: Arial;
  font-size: 25px;
  line-height: 75px;
  height: 75px;
  width: 75px;
  left: 12.5px;
  top: 12.5px;
  text-align: center;
  border-radius: 50%;
  background-color: white;
}
 
.progress-bar1 .background { background-color: #b3cef6; }
 
.progress-bar1 .rotate {
  clip: rect(0 50px 100px 0);
  background-color: pink;
}
 
.progress-bar1 .left {
  clip: rect(0 50px 100px 0);
  opacity: 1;
  background-color: hotpink;
}
 
.progress-bar1 .right {
  clip: rect(0 50px 100px 0);
  transform: rotate(180deg);
  opacity: 0;
  background-color: #4b86db;
}
 
@keyframes
toggle {  0% {
 opacity: 0;
}
 100% {
 opacity: 1;
}
}