/*文章信息*/
#topics .postDesc { display:none; font-size: 16px; font-weight: 300; color: #fff!important; position: absolute; width: 100%; top: 80%;border:0!important;background-color:transparent!important;padding: 0!important;}
#topics .postDesc a {font-size: 16px!important; font-weight: 300; color: #fff!important;}
/*返回上一页*/
#back_to_top { text-decoration: none; position: fixed; bottom: 20%; right: 16px; width: 50px; line-height: 36px; font-size: 18px; text-align: center; display: none; border: 1px solid #d1d5da; -webkit-transition: all 0.1s ease-in; -moz-transition: all 0.1s ease-in; -o-transition: all 0.1s ease-in; transition: all 0.1s ease-in; }
#back_to_top:hover { cursor: pointer; border-color: #999; }