#form_builder{ margin: 0 20px; }
#form_builder span, label{ display: block; margin: 5px; }
#form_builder input{ border: 1px solid gray; margin-left: 10px; }
#form_builder textarea{ border: 1px solid gray !important; margin-left: 10px; }
#form_builder input[type='checkbox']{ margin: 10px 15px; }