.xuexi{margin-bottom:0px;}
.xuexi .title{text-align:center; font-weight:bold; color:#efefef;}
.xuexi .blog-item{border:1px #FF9933 solid; height:270px; padding-top:10px; margin-bottom:20px;}
.xuexi .blog-item .sub-title{color:#FFFFFF; font-weight:bold; text-align:center}
.xuexi .blog-item .pic{padding:10px 0 20px; text-align:center  }
.xuexi .blog-item .sub-menu ul{ list-style-type:none; margin-left:-5px}
.xuexi .blog-item .sub-menu ul li{ text-align:center}
.xuexi .blog-item .sub-menu ul li .post-category{ color:#FFFFFF; }
.xuexi .blog-item .sub-menu ul li .post-category a{ text-decoration:none}