.pro_list {float:left; width:256px; margin:10px 19px;}
.pro_img {
    overflow: hidden;
    width: 256px;
    height: 210px;
    position:relative;}

.pro_img img {
    display: block;
    overflow: hidden;
width: 256px;
    height: 225px; -webkit-transition: all 0.5s; -moz-transition: all 0.5s; -o-transition: all 0.5s; position:absolute; z-index:1;}
.pro_title {
    width: 100%;
    height: 35px;
    line-height:35px; text-align:center;
    overflow: hidden;}

.pro_img:hover img {
-webkit-transform: scale(1.1); -moz-transform: scale(1.1); -o-transform: scale(1.1); -ms-transform: scale(1.1);}