Add `align-self: center` to buttons for improved rendering in flex containers

Fixes #34834

diff --git a/scss/_buttons.scss b/scss/_buttons.scss
index ee4287c9201d3035e6b7fc38935836e53fd25597..fc72cde4d35a7d8df9eb38215035276e7bcab9cd 100644 (file)
--- a/scss/_buttons.scss
+++ b/scss/_buttons.scss
@@ -4,6 +4,7 @@
 
 .btn {
   display: inline-block;
+  align-self: center;
   font-family: $btn-font-family;
   font-weight: $btn-font-weight;
   line-height: $btn-line-height;