diff --git a/apollo-portal/src/main/resources/static/styles/common-style.css b/apollo-portal/src/main/resources/static/styles/common-style.css
index 7d90f4b6fe9..d23cfb28911 100644
--- a/apollo-portal/src/main/resources/static/styles/common-style.css
+++ b/apollo-portal/src/main/resources/static/styles/common-style.css
@@ -95,7 +95,7 @@ p, td, span {
     color: #797979;
 }
 
-pre .pre{
+pre, .pre {
     white-space: pre-wrap; /* Since CSS 2.1 */
     white-space: -moz-pre-wrap; /* Mozilla, since 1999 */
     white-space: -pre-wrap; /* Opera 4-6 */