diff --git a/core/modules/field/field.form.inc b/core/modules/field/field.form.inc
index 8e7dbaa..b6174f2 100644
--- a/core/modules/field/field.form.inc
+++ b/core/modules/field/field.form.inc
@@ -312,7 +312,7 @@ function theme_field_multiple_value_form($variables) {
 
     $header = array(
       array(
-        'data' => '<label>' . t('!title !required', array('!title' => $element['#title'], '!required' => $required)) . "</label>",
+        'data' => '<div class="label">' . t('!title !required', array('!title' => $element['#title'], '!required' => $required)) . "</div>",
         'colspan' => 2,
         'class' => array('field-label'),
       ),
diff --git a/core/modules/filter/filter.module b/core/modules/filter/filter.module
index 6c54fae..c62f6ac 100644
--- a/core/modules/filter/filter.module
+++ b/core/modules/filter/filter.module
@@ -1203,7 +1203,7 @@ function theme_filter_guidelines($variables) {
   $attributes['class'][] = 'filter-guidelines-item';
   $attributes['class'][] = 'filter-guidelines-' . $format->format;
   $output = '<div' . new Attribute($attributes) . '>';
-  $output .= '<h3>' . check_plain($format->name) . '</h3>';
+  $output .= '<div class="label">' . check_plain($format->name) . '</div>';
   $output .= theme('filter_tips', array('tips' => _filter_tips($format->format, FALSE)));
   $output .= '</div>';
   return $output;
diff --git a/core/modules/language/language.admin.inc b/core/modules/language/language.admin.inc
index af2b3b1..67587f4 100644
--- a/core/modules/language/language.admin.inc
+++ b/core/modules/language/language.admin.inc
@@ -564,7 +564,7 @@ function theme_language_negotiation_configure_form($variables) {
 
   foreach ($form['#language_types'] as $type) {
     $rows = array();
-    $title = '<label>' . $form[$type]['#title'] . '</label>';
+    $title = '<div class="label">' . $form[$type]['#title'] . '</div>';
     $description = '<div class="description">' . $form[$type]['#description'] . '</div>';
 
     foreach ($form[$type]['title'] as $id => $element) {
diff --git a/core/modules/system/system.admin.css b/core/modules/system/system.admin.css
index 957d3e0..8e92ac2 100644
--- a/core/modules/system/system.admin.css
+++ b/core/modules/system/system.admin.css
@@ -249,6 +249,9 @@ table.screenshot {
   font-weight: normal;
   width: 10em;
 }
+div.label {
+  font-weight: bold;
+}
 .exposed-filters .form-select {
   width: 14em;
 }
diff --git a/core/themes/bartik/css/style.css b/core/themes/bartik/css/style.css
index 7532a4a..8125c65 100644
--- a/core/themes/bartik/css/style.css
+++ b/core/themes/bartik/css/style.css
@@ -1233,6 +1233,10 @@ input.form-submit:focus {
 .form-item label {
   font-size: 0.929em;
 }
+div.label {
+  font-size: 1em;
+  font-weight: bold;
+}
 .form-type-radio label,
 .form-type-checkbox label {
   margin-left: 4px;
diff --git a/core/themes/seven/style.css b/core/themes/seven/style.css
index ebaa86b..fb9e30c 100644
--- a/core/themes/seven/style.css
+++ b/core/themes/seven/style.css
@@ -543,10 +543,13 @@ div.teaser-checkbox .form-item,
 .text-format-wrapper .form-item {
   padding-bottom: 0;
 }
-.form-item label {
+.form-item label, div.label {
   margin: 0;
   padding: 0;
 }
+.form-item label {
+  font-weight: bold;
+}
 .form-item label.option {
   font-size: 0.923em;
   text-transform: none;