User:Hilycker/common.css

width: 150px; height: 240px; background: transparent; position: relative; }
 * 1) twoface-outer {

width: 150px; height: 240px; background-size: 150px 240px; z-index: 1; opacity: 1; transition: opacity 1s; position: absolute; }
 * 1) twoface-inner-top {

width: 150px; height: 240px; background-size: 150px 240px; z-index: 0; position: absolute; }
 * 1) twoface-inner-bottom {

opacity: 0; }
 * 1) twoface-outer:hover > #twoface-inner-top {