.ui-portlet-column {
    float: left;
    padding-bottom: 100px;
}
.ui-portlet-header {
    padding: 0.4em 0.7em;
}
.ui-portlet-header .ui-icon {
    float: right;
}
.ui-portlet-item {
    margin: 0 1em 1em 0;
}
.ui-portlet-content {
    overflow-y: auto;
    padding: 0.3em;
}
.ui-portlet-header .ui-portlet-header-icon {
    float: left;
    margin: 0 0.2em 0 -0.5em;
}
.ui-sortable-placeholder {
    border: 1px dotted black;
    height: 50px !important;
    visibility: visible !important;
}
.ui-sortable-placeholder * {
    visibility: hidden;
}