[newclass=.rollover] display: block; width: 463px; height: 499px; background: url(https://i.imgur.com/QeQbM0A.png) no-repeat; -webkit-transition: all .7s ease-in-out; -moz-transition: all .7s ease-in-out; -o-transition: all .7s ease-in-out; transition: all .7s ease-in-out; [/newclass]
[newclass=.rollover:hover] background: url(https://i.imgur.com/cehpM1U.png?1) [/newclass]