您可以通过在css上的:before元素上使用background来实现。
#imagens:before,
#videos:before {
position: absolute;
width: 100%;
height: 100%;
left: 0;
top: 0;
content: "";
transition: all .5s ease;
-webkit-transition: all .5s ease;
filter: blur(0);
-webkit-filter: blur(0);
}
#imagens:hover:before,
#videos:hover:before {
filter: blur(2px);
-webkit-filter: blur(2px);
}
#imagens:before {
background-image: url("http://gamerealla.ru/wp-content/uploads/2014/09/1392986721_r1.jpg");
background-position: right center;
}
#videos:before {
background-image: url("http://gamehall.uol.com.br/v10/wp-content/uploads/2015/01/Black-Desert-Online-Beast-Master-Woman-02.jpg");
background-position: left center;
}
检查以下小提琴:
https://jsfiddle.net/k486zf3w/