.categ-list .img.pull-left{margin:0 5px 5px 0}.sub_article_tree .list-group{margin-top:10px}.sub_article_tree .list-group .list-group-item{background-color:#f7f7f7 !important}.categ-list .list-group .list-group-item{background-color:#f7f7f7 !important}