diff --git a/app/assets/stylesheets/admin.scss b/app/assets/stylesheets/admin.scss
index d2d2915f4..c05286a01 100644
--- a/app/assets/stylesheets/admin.scss
+++ b/app/assets/stylesheets/admin.scss
@@ -155,10 +155,6 @@ $table-header:   #ecf1f6;
     color: $admin-color;
   }
 
-  .dropdown.menu > .is-dropdown-submenu-parent > a::after {
-    border-color: #000 transparent transparent;
-  }
-
   .fieldset {
 
     select {
diff --git a/app/assets/stylesheets/layout.scss b/app/assets/stylesheets/layout.scss
index 9d459878b..5f4bae0d5 100644
--- a/app/assets/stylesheets/layout.scss
+++ b/app/assets/stylesheets/layout.scss
@@ -644,7 +644,7 @@ body > header,
   }
 
   &.is-dropdown-submenu-parent > a::after {
-    border-color: #fff transparent transparent;
+    border-top-color: currentcolor;
   }
 }