bugfix JulesWang#41

Author: JulesWang

syntax/css.vim

@@ -218,7 +218,7 @@ syn match cssBorderProp contained "\<box-decoration-break\>"
 syn match cssBorderProp contained "\<box-shadow\>"
 
 " border-image attributes
-syn keyword cssBorderAttr contained stretch repeat round space fill
+syn keyword cssBorderAttr contained stretch round space fill
 
 " border-style attributes
 syn keyword cssBorderAttr contained dotted dashed solid double groove ridge inset outset

test.css

@@ -158,3 +158,10 @@ and (max-device-width:1024px)
     page-break-after: avoid;
     page-break-inside: avoid;
 }
+
+/* issue 41 */
+#example2 {
+    background-repeat: repeat;
+    background-repeat: repeat-x;
+    background-repeat: repeat-y;
+}