html: Buttons should not have align-items:flex-start by default
It's a leftover from when buttons were implemented as flex containers.
We can remove it now.
The new behavior matches to Firefox.
Bug: 40681980
Change-Id: Iee119a3e73a649b1eea2e680983836a064162818
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6013405
Reviewed-by: Joey Arhar jarhar@chromium.org
Commit-Queue: Joey Arhar jarhar@chromium.org
Auto-Submit: Kent Tamura tkent@chromium.org
Cr-Commit-Position: refs/heads/main@{#1381805}