White box under title doesn't go away

I can't seem to fix this. What shows on the editor is also different from what shows on the preview which makes it confusing to edit. Please help.

http://form.jotformpro.com/form/43005477352956?

Thanks!
Jo

Please inject the following custom CSS code:

.form-header-group {
background: none!important;
border-bottom: 1px solid #ccc;
padding: 12px;
clear: both;
}