#tinymce .one-half,#tinymce .one-third,#tinymce .two-third{border:1px dashed #d7d7d7;padding:1%}.all-columns{width:100%;float:left;clear:both}.one-half,.one-third,.two-third{float:left;margin-top:0;margin-right:0;margin-bottom:10px;margin-left:0}.one-half{width:47%}.one-third{width:30%}.two-third{width:64%}.first{clear:left;margin-right:1%}.last{margin-left:1%}