diff --git a/components/style/values/specified/color.rs b/components/style/values/specified/color.rs
index 4b17aa6e11e..681c6d8add2 100644
--- a/components/style/values/specified/color.rs
+++ b/components/style/values/specified/color.rs
@@ -142,6 +142,7 @@ pub enum SystemColor {
     Buttonhighlight,
     Buttonshadow,
     Buttontext,
+    Buttonborder,
     /// Text color in the (active) titlebar.
     Captiontext,
     #[parse(aliases = "-moz-field")]
@@ -152,6 +153,9 @@ pub enum SystemColor {
     #[parse(aliases = "-moz-fieldtext")]
     Fieldtext,
 
+    Mark,
+    Marktext,
+
     /// Combobox widgets
     MozComboboxtext,
     MozCombobox,