user preferences: improve styling of fieldset headers, change Export form layout

libraries/config/setup.forms.php

@@ -256,21 +256,19 @@ $forms['Import']['Open_Document'] = array('Import' => array(
         'ods_recognize_percentages',
         'ods_recognize_currency'));
 $forms['Export']['Export_defaults'] = array('Export' => array(
-    'method' => ':group',
+    'method',
     ':group:' . __('Quick'),
         'quick_export_onserver',
         'quick_export_onserver_overwrite',
         ':group:end',
     ':group:' . __('Custom'),
+        'format',
+        'compression',
+        'charset',
         'asfile' => ':group',
             'onserver',
             'onserver_overwrite',
             ':group:end',
-            ':group:end',
-        ':group:end',
-    'format',
-    'compression',
-    'charset',
         'remember_file_template',
         'file_template_table',
         'file_template_database',

libraries/config/user_preferences.forms.php

@@ -159,21 +159,19 @@ $forms['Import']['Open_Document'] = array(
         'Import/ods_recognize_percentages',
         'Import/ods_recognize_currency');
 $forms['Export']['Export_defaults'] = array(
-    'Export/method' => ':group',
+    'Export/method',
     ':group:' . __('Quick'),
         'Export/quick_export_onserver',
         'Export/quick_export_onserver_overwrite',
         ':group:end',
     ':group:' . __('Custom'),
+        'Export/format',
+        'Export/compression',
+        'Export/charset',
         'Export/asfile' => ':group',
             'Export/onserver',
             'Export/onserver_overwrite',
             ':group:end',
-            ':group:end',
-        ':group:end',
-    'Export/format',
-    'Export/compression',
-    'Export/charset',
         'Export/file_template_table',
         'Export/file_template_database',
         'Export/file_template_server');

themes/darkblue_orange/css/theme_right.css.php

@@ -1655,6 +1655,7 @@ td.more_opts {
 .config-form fieldset p {
     margin:    0;
     padding:   0.5em;
+    background: <?php echo $GLOBALS['cfg']['BgTwo']; ?>;
 }
 
 .config-form fieldset .errors { /* form error list */

themes/original/css/theme_right.css.php

@@ -1608,6 +1608,7 @@ iframe.IE_hack {
 .config-form fieldset p {
     margin:    0;
     padding:   0.5em;
+    background: <?php echo $GLOBALS['cfg']['BgTwo']; ?>;
 }
 
 .config-form fieldset .errors { /* form error list */