.projetc-index-cover-img{width:80px;height:60px}.layout-classes-header{background:#fff;padding:0 20px;height:58px;line-height:57px;border-bottom:1px solid #f0f3f5;width:100%}.layout-classes-content{padding:0 0 10px 0;background:#fff;width:100%;min-height:700px}.classes-menu{border-bottom:none;line-height:55px;font-size:14px}