CSS3 滑过加过渡效果

.vogueHover {
  width: 100%;height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background: #001e50;
  z-index: 9999;
  opacity:0
}
.vogueHover:hover {
  transition: all .6s ease-in-out;opacity:1; 
}