JSFiddle - React, Tailwind, and code Playground

by secretgspot

HTML

<div class="ui-loader-pulse"><span></span></div>

CSS

/**
 * CSS pulse loader
 *
 * @author Maxime Thirouin [email protected]
 */
.ui-loader-pulse {
  position: relative;
  width: 40px;
  height: 40px;
  line-height: 40px;
  -moz-border-radius: 50%;
  -webkit-border-radius: 50%;
  -o-border-radius: 50%;
  -ms-border-radius: 50%;
  -khtml-border-radius: 50%;
  border-radius: 50%;
  background: black;
  background: -webkit-gradient(radial, 50% 50%, 0, 50% 50%, 100, color-stop(40%, #000000), color-stop(100%, #999999));
  background: -webkit-radial-gradient(#000000 40%, #999999);
  background: -moz-radial-gradient(#000000 40%, #999999);
  background: -o-radial-gradient(#000000 40%, #999999);
  background: -ms-radial-gradient(#000000 40%, #999999);
  background: radial-gradient(#000000 40%, #999999);
  -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 0 6px rgba(0, 0, 0, 0.3);
  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 0 6px rgba(0, 0, 0, 0.3);
  -o-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 0 6px rgba(0, 0, 0, 0.3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 0 6px rgba(0, 0, 0, 0.3);
  border: 1px solid black;
  color: white;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0);
  text-align: center;
  font-size: 1em;
  position: absolute;
  top: 50%;
  left: 50%;
}
.ui-loader-pulse span {
  background: -webkit-gradient(radial, 50% 50%, 0, 50% 50%, 100, color-stop(0%, rgba(0, 0, 0, 0)), color-stop(100%, rgba(0, 0, 0, 0.3))) 50% 50%;
  background: -webkit-radial-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.3)) 50% 50%;
  background: -moz-radial-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.3)) 50% 50%;
  background: -o-radial-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.3)) 50% 50%;
  background: -ms-radial-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.3)) 50% 50%;
  background: radial-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.3)) 50% 50%;
  -moz-border-radius: 50%;
  -webkit-border-radius: 50%;
  -o-border-radius: 50%;
  -ms-border-radius: 50%;
  -khtml-border-radius: 50%;
 ...