diff --git a/src/sao.less b/src/sao.less
index 2dd180512d..9865dd65ee 100644
--- a/src/sao.less
+++ b/src/sao.less
@@ -651,6 +651,9 @@ img.icon {
             font-size: @font-size-base;
             margin-bottom: 5px;
         }
+        .form-container, .form-hcontainer, .form-vcontainer {
+            vertical-align: middle;
+        }
     }
 }