.column, .column-fixed { width: 463px; min-height: 100px; float: left; padding-bottom: 0px; } .portlet { margin: 0 11px 10px 0; } .portlet-header { margin: 0.3em; padding-bottom: 4px; padding-left: 0.2em; } .portlet-header .ui-icon { float: right; } .portlet-content { padding: 0.4em; } .ui-sortable-placeholder { border: 1px dotted black; visibility: visible !important; height: 100px !important; } .ui-sortable-placeholder * { visibility: hidden; }