[caribou] Not using units is deprecated in gtk CSS is deprecated

[Stefan Walter <stefw src gnome org>]

commit 44cb54c723349097b9703ec439e4596b6c49d693
Author: Stef Walter <stefw gnome org>
Date:   Wed Apr 18 19:04:24 2012 +0200

    Not using units is deprecated in gtk CSS is deprecated
    
     * Use 'px' instead.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=674344

 data/antler/style.css |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/data/antler/style.css b/data/antler/style.css
index 460b123..0e830dc 100644
--- a/data/antler/style.css
+++ b/data/antler/style.css
@@ -10,10 +10,10 @@
 @define-color group_scan_color2 darker(@group_scan_color1);
 
 .antler-keyboard-button {
-  border-width: 0;
-  border-radius: 2;
-  border-image: url("dark-key-border.svg") 2 2 2 2 repeat stretch;
-  font: Sans 14;
+  border-width: 0px;
+  border-radius: 2px;
+  border-image: url("dark-key-border.svg") 2px 2px 2px 2px repeat stretch;
+  font: Sans 14px;
   background-image: -gtk-gradient (linear,
 				     left top,
 				     left bottom,