MediaWiki:Common/ImageHover.css

.hoverimage img { opacity: 0.65; filter: alpha(opacity=65); /* For IE8 and earlier */ -webkit-transition-duration: 0.5s; /* Safari */ transition-duration: 0.5s; } .hoverimage img:hover { opacity: 2.0; filter: alpha(opacity=200); /* For IE8 and earlier */ }