#admin-menu a.custom-fields-groups { background-image: url(../images/textfields_group.png);}

h3.custom-fields-groups {
  background: #0001;
  border-bottom: 3px solid black;
  padding: 0.4em;
}

h4.custom-fields-groups {
  background: #0001;
  padding: 0.3em;
}

fieldset.collapsible.custom-fields-groups {
  border-width: 1px;
  margin-top: 5px;
}

fieldset.collapsible.custom-fields-groups>legend {
  font-size: 15px;
  font-weight: bold;
}