diff --git a/core/layout/common.css b/core/layout/common.css
index 4b41e5ee..4e37b800 100755
--- a/core/layout/common.css
+++ b/core/layout/common.css
@@ -1365,4 +1365,5 @@ th.col12 {
 */
 .captchaNumber {
 	height:20px;
+	vertical-align: middle;
 }
\ No newline at end of file