.RadAjaxPanel ul li:before,
.RadTreeView ul li:before,
.ui-tabs ul li:before,
.dnnActions li:before,
.searchSkinObjectPreview li:before
{
    content: none!important;
}
.ui-tabs .selected-item a
{
    box-sizing: content-box;
}
.RadAjaxPanel input[type="button"]
{
    padding: 6px!important;
}