1 files changed, 0 insertions, 2 deletions
diff --git a/site/docs/4.3/examples/sign-in/signin.css b/site/docs/4.3/examples/sign-in/signin.css
index 90cc93e5b9..eaa08ba618 100644
--- a/site/docs/4.3/examples/sign-in/signin.css
+++ b/site/docs/4.3/examples/sign-in/signin.css
@@ -4,9 +4,7 @@ body {
 }
 
 body {
-  display: -ms-flexbox;
   display: flex;
-  -ms-flex-align: center;
   align-items: center;
   padding-top: 40px;
   padding-bottom: 40px;