.grid_list:after{content:'';display:block;clear:both}
.grid_list > li{position:relative;float:left;width:260px;margin:0 20px 10px 0}
.grid_list > li.last_col{margin-right:0}
.grid_list > li > a{display:block;position:relative}
.grid_img_area{position:relative}
.grid_img_area > img{width:100%}
.grid_txt_area{position:relative;height:50px;margin:0 10px;line-height:55px;text-align:center}