.extendable_options
{overflow: hidden;

    height: 0;
}fieldset.group
{padding-left: 20px;

    border-left: 1px solid #333;
}.postbox h3.hndle
{font-size: 15px;

    padding: 7px;
}.postbox .row
{display: inline-block;

    width: 100%;padding: 5px 0;
}.postbox .row .field
{display: inline-block;

    width: 100%;padding: 5px 0;
}.postbox .row .group
{margin-left: 5px;padding-left: 15px;

    border: 1px solid rgba(203,203,203,.2);background-color: rgba(203,203,203,.2);
}.postbox .uninstall_area
{
    margin-top: 15px;
}