#Header1_HeaderTitle{font-size:18px; }
.day{border-style:ridge;border-color:#fef;}
#right{border-style:ridge;border-color:#fef;}
.menu{font-size:15px; margin-right:20px;}
#photo{width:400px; height:480px; position:absolute;left:250px; top:30px;}  
#photo img{width:100px; height:120px;}
#blog_post_info_block{position:relative}
#blog_post_info_block:before
{        
         position: absolute;  /*日常绝对定位(重要，下面内容也会略带介绍)*/
          content: "欢迎关注每日一笑话";  /*:before和:after必带技能，重要性为满5颗星*/
          top:0px;
          left:360px;
          width: 200px;  /*和内容一样的宽度*/
          height: 200px;  /*和内容一样的高度*/
         background-image:url('https://images.cnblogs.com/cnblogs_com/xiaogou/813419/t_200903060948d4141b9ba37923419c52600f7d35625.jpg') ;
         background-repeat : no-repeat;
         background-position:50px, 150px;
         background-size:cover;
          z-index:100 /*日常元素堆叠顺序(重要，下面内容也会略带介绍)*/
}