memory-game/shine.css at master · kharrison7/memory-game · GitHub

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/*This shine effect made by AntonTrollback.*/
/*source: http://jsfiddle.net/AntonTrollback/nqQc7/*/

.start_Message {
  position: relative;
  overflow: hidden;
}

/**
 * The "shine" element
 */

.start_Message:after {
  content: "";
  position: absolute;
  top: -110%;
  left: -210%;
  width: 200%;
  height: 200%;
  opacity: 0;
  transform: rotate(30deg);

  background: rgba(255, 255, 255, 0.13);
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.13) 0%,
    rgba(255, 255, 255, 0.13) 77%,
    rgba(255, 255, 255, 0.5) 92%,
    rgba(255, 255, 255, 0.0) 100%
  );
}

/* Hover state - trigger effect */

.start_Message:hover:after {
  opacity: 1;
  top: -30%;
  left: -30%;
  transition-property: left, top, opacity;
  transition-duration: 0.7s, 0.7s, 0.15s;
  transition-timing-function: ease;
}

/* Active state */

.start_Message:active:after {
  opacity: 0;
}