diff --git a/src/prettify/lang/LangCss.java b/src/prettify/lang/LangCss.java
index f644f2f..ad8b391 100644
--- a/src/prettify/lang/LangCss.java
+++ b/src/prettify/lang/LangCss.java
@@ -60,7 +60,7 @@
     // A number possibly containing a suffix.
     _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_LITERAL, Pattern.compile("^(?:\\d+|\\d*\\.\\d+)(?:%|[a-z]+)?", Pattern.CASE_INSENSITIVE)}));
     // A hex color
-    _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_LITERAL, Pattern.compile("^#(?:[0-9a-f]{3}){1,2}", Pattern.CASE_INSENSITIVE)}));
+    _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_LITERAL, Pattern.compile("^#(?:[0-9a-f]{3}){1,2}\\b", Pattern.CASE_INSENSITIVE)}));
     // An identifier
     _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_PLAIN, Pattern.compile("^-?(?:[_a-z]|(?:\\\\[\\da-f]+ ?))(?:[_a-z\\d\\-]|\\\\(?:\\\\[\\da-f]+ ?))*", Pattern.CASE_INSENSITIVE)}));
     // A run of punctuation
diff --git a/test/prettify/PrettifyTest/result/css.txt b/test/prettify/PrettifyTest/result/css.txt
index 583fa07..a70f4f8 100644
--- a/test/prettify/PrettifyTest/result/css.txt
+++ b/test/prettify/PrettifyTest/result/css.txt
@@ -18,4 +18,5 @@
 blink `END`PUN{`END`PLN `END`KWDtext-decoration`END`PUN:`END`PLN BLINK `END`KWD!IMPORTANT`END`PUN;`END`PLN `END`KWDfont-weight`END`PUN:`END`PLN bolder `END`PUN}`END`PLN
 `END`COM/* Empty url() was causing infinite recursion */`END`PLN
 a `END`PUN{`END`PLN `END`KWDbackground-image`END`PUN:`END`PLN `END`KWDurl`END`PUN();`END`PLN `END`PUN}`END`PLN
+p`END`PUN#`END`PLNfeatured`END`PUN{`END`KWDbackground`END`PUN:`END`LIT#fea`END`PUN}`END`PLN
 `END`COM--&gt;`END
\ No newline at end of file
diff --git a/test/prettify/PrettifyTest/source/css.txt b/test/prettify/PrettifyTest/source/css.txt
index c0dab2c..5b3c8f0 100644
--- a/test/prettify/PrettifyTest/source/css.txt
+++ b/test/prettify/PrettifyTest/source/css.txt
@@ -18,4 +18,5 @@
 blink { text-decoration: BLINK !IMPORTANT; font-weight: bolder }
 /* Empty url() was causing infinite recursion */
 a { background-image: url(); }
+p#featured{background:#fea}
 -->
\ No newline at end of file