diff --git a/app/assets/stylesheets/desktop/login.scss b/app/assets/stylesheets/desktop/login.scss
index 0351114e8f0..8cf8e0bb253 100644
--- a/app/assets/stylesheets/desktop/login.scss
+++ b/app/assets/stylesheets/desktop/login.scss
@@ -136,6 +136,7 @@
     position: relative;
     display: flex;
     overflow: hidden;
+    flex: 1 1 auto;
 
     &:after,
     &:before {