react-toolbox/components/ripple/theme.scss

@import "../colors";
@import "../globals";
@import "../mixins";
@import "./config";

%ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: $z-index-high;
  pointer-events: none;
  background-color: currentColor;
  border-radius: 50%;
  transform-origin: 50% 50%;
}

.rippleWrapper {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: $z-index-normal;
  pointer-events: none;
}

.ripple {
  @extend %ripple;
  transition-duration: $ripple-duration;
  &.rippleRestarting {
    opacity: $ripple-final-opacity;
    transition-property: none;
  }
  &.rippleActive {
    opacity: $ripple-final-opacity;
    transition-property: transform;
  }
  &:not(.rippleActive):not(.rippleRestarting) {
    opacity: 0;
    transition-property: opacity, transform;
  }
}