.site_lists 		{width:100%;}
.site_lists li		{display:inline-block;width:calc(24% - 10px);margin-right:10px;margin-bottom:20px;background:#fff; box-sizing:border-box;}

.site_lists li:nth-child(4n) {
	margin-right:0px;
}
.site_lists li img	{width:100%;height:53px;border:1px solid #ddd; margin-bottom:7px;}
.site_lists li a	{font-size:1em; color:#333;}
.site_lists li img:hover	{border-color:#981937;}