transform: scale(1.05); /* 1.05倍放大镜效果 */

-ms-transform:scale(1.05); /* IE 9 */

-moz-transform:scale(1.05); /* Firefox */

-webkit-transform:scale(1.05); /* Safari 和 Chrome */

-o-transform:scale(1.05); /* Opera */

.card > .card-item > a > img:focus,.card > .card-item > a > img:active,.card > .card-item > a > img:hover{  transform: scale(1.05);    /* 1.05倍放大镜效果 */  -ms-transform:scale(1.05);   /* IE 9 */  -moz-transform:scale(1.05);  /* Firefox */  -webkit-transform:scale(1.05); /* Safari 和 Chrome */  -o-transform:scale(1.05);    /* Opera */}

参考文档:

http://jasinyip.com/WebFE/css3hoveramplify.html