react-yan-progress/src/index.css

This is a cascading progress bar component based on react

.y-progress {
  position: relative;
  width: 100%;
  height: 8px;
  background-color: #ccc;
  border-radius: 4px;
}
.y-progress_bar {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  border-radius: 4px;
  transition: all 1.5s ease;
}
.y-progress_text {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  text-align: center;
}
.y-progress_text .y-tooltip {
  position: absolute;
  top: 15px;
  right: 0;
  background-color: #333;
  color: #f1f1f1;
  border-radius: 5px;
  padding: 5px 10px;
  visibility: hidden;
  opacity: 0;
  transform: scale(0);
  transition: all ease-in 0.2s;
}
.y-progress_text:hover .y-tooltip {
  visibility: visible;
  opacity: 1;
  transform: scale(1);
}
.y-tooltip:after {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translate(-50%, 0);
  border: 5px solid;
  border-color: transparent transparent #333 transparent;
}