.column
{
    width: 33%;
    float: left;
    padding-bottom: 100px;
}
.portlet
{
    margin: 0 1em 1em 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: 50px !important;
}
.ui-sortable-placeholder *
{
    visibility: hidden;
}