div.indicator
  div.indicator__value(style={left: '40px'})
View Compiled
.indicator {
  background: gray;
  height: 20px;
  width: 100px;
  position: relative;
  &__value {
    position: absolute;
    background: red;
    width: 2px;
    height: 20px;
    top: 0;
    left: 0;
  }
}
View Compiled

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.