#extra-images {overflow:hidden;} #extra-images #add_img_row {margin-bottom:0.5em;} #extra-images .add-extra-thumbnail{margin: 3em auto;display: block;} #extra-images .extra-image{clear:both;overflow:hidden;margin:6px 0;border-top:1px solid #DFDFDF;} #extra-images img{width:100%;height:auto;}