ul.thumbnails.image_picker_selector { overflow: auto; list-style-image: none; list-style-position: outside; list-style-type: none; padding: 0px; margin: 0px; } ul.thumbnails.image_picker_selector ul { overflow: auto; list-style-image: none; list-style-position: outside; list-style-type: none; padding: 0px; margin: 0px; } ul.thumbnails.image_picker_selector li.group {width:100%;} ul.thumbnails.image_picker_selector li.group_title { float: none; } ul.thumbnails.image_picker_selector li { margin: 0px 12px 12px 0px; float: left; } ul.thumbnails.image_picker_selector li .thumbnail { padding: 6px; border: 1px solid #dddddd; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; } ul.thumbnails.image_picker_selector li .thumbnail img { -webkit-user-drag: none; } ul.thumbnails.image_picker_selector li .thumbnail.selected { background: #0088cc; }