Issue #1015798 by Mohammed J. Razem, xjm, drunken monkey: Fixed Fieldsets...

Issue #1015798 by Mohammed J. Razem, xjm, drunken monkey: Fixed Fieldsets inside vertical tabs have no title and can't be collapsed.

core/misc/vertical-tabs.css

@@ -18,7 +18,7 @@ div.vertical-tabs {
   padding: 0 1em;
   border: 0;
 }
-.vertical-tabs legend {
+fieldset.vertical-tabs-pane > legend {
   display: none;
 }
 

core/themes/seven/vertical-tabs.css

@@ -8,7 +8,7 @@ div.vertical-tabs {
   margin: 10px 0;
   position: relative;
 }
-div.vertical-tabs fieldset {
+fieldset.vertical-tabs-pane {
   border: 0;
   padding: 0;
   margin: 0;
@@ -69,7 +69,7 @@ div.vertical-tabs .vertical-tabs-panes {
   margin: 0 0 0 265px; /* LTR */
   padding: 10px 15px 10px 0; /* LTR */
 }
-div.vertical-tabs .vertical-tabs-panes legend {
+fieldset.vertical-tabs-pane > legend {
   display: none;
 }
 .vertical-tabs-pane .fieldset-wrapper > div:first-child {