diff --git a/css/theme-dark.css b/css/theme-dark.css
index 100469a..f0e533d 100644
--- a/css/theme-dark.css
+++ b/css/theme-dark.css
@@ -192,14 +192,14 @@
       color: rgba(0, 0, 0, 0.26); }
     .theme-dark .block-search.search-persistent form .form-item.focused input[type="text"]::-webkit-input-placeholder {
       color: rgba(0, 0, 0, 0.26); }
-  .theme-dark .tabs ul, .theme-dark ul.tabs li a {
+  .theme-dark .tabs ul li a, .theme-dark ul.tabs li a {
     color: rgba(255, 255, 255, 0.7); }
-    .theme-dark .tabs ul:hover, .theme-dark ul.tabs li a:hover {
+    .theme-dark .tabs ul li a:hover, .theme-dark ul.tabs li a:hover {
       border-color: rgba(120, 144, 156, 0.5); }
-    .theme-dark .tabs ul.is-active, .theme-dark ul.tabs li a.is-active {
+    .theme-dark .tabs ul li a.is-active, .theme-dark ul.tabs li a.is-active {
       border-color: #78909c;
       color: #78909c; }
-      .theme-dark .tabs ul.is-active:hover, .theme-dark ul.tabs li a.is-active:hover {
+      .theme-dark .tabs ul li a.is-active:hover, .theme-dark ul.tabs li a.is-active:hover {
         border-color: #78909c; }
   .theme-dark .card {
     background: #424242; }
diff --git a/material_base.theme b/material_base.theme
index 295b896..65c69a0 100755
--- a/material_base.theme
+++ b/material_base.theme
@@ -39,7 +39,7 @@ function material_base_preprocess_html(&$variables) {
 /**
  * Implements hook_form_alter().
  */
-function material_base_form_alter(array &$form, FormStateInterface $form_state, $form_id) {
+function material_base_form_alter(&$form, FormStateInterface $form_state, $form_id) {
   switch ($form_id) {
     case 'user_login_form': 
       $form['#attributes']['class'][] = 'card card-form';
diff --git a/sass/theme-dark.scss b/sass/theme-dark.scss
index ba43072..571f833 100755
--- a/sass/theme-dark.scss
+++ b/sass/theme-dark.scss
@@ -136,7 +136,7 @@
     }
   }
 
-  .tabs ul, ul.tabs li a { color: $color-text-light-secondary;
+  .tabs ul li a, ul.tabs li a { color: $color-text-light-secondary;
     &:hover { border-color: rgba($color-primary-light, .5); }
     &.is-active { border-color: $color-primary-light; color: $color-primary-light;
       &:hover { border-color: $color-primary-light; }