Template:CharIcon-UMVC3/styles.css

.ci {
}

.ci-background {
 position: absolute;
 background: gray; 
 width:60px;
 height:51px;
 border: solid 1px white;
}

.ci-highlight {
 position: absolute;
 width: 60px;
 height: 51px;
 outline: solid 3px yellow;
 outline-offset: 3px;
 visibility: hidden;
}

.ci-highlight:hover {
 visibility: visible;
 animation: blinker 1s linear infinite;
}

@keyframes blinker {
 50% {
  opacity: 0;
 }
}