go.dev/_content/css: various tweaks for golang.org merge

- scroll-behavior: smooth is incredibly frustrating on Macs at least.
  It's way too slow. Go back to the regular behavior when you click a #Link.

- Make printed docs look reasonable (no invisible banner covering up
  content on subsequent pages, no lines of text sliced in half).

- Make .Article margins better defaults. We can always adjust specific
  pages, but these defaults seem to have been overfitted to the specific
  uses of <h1> <h2> and so on in specific pages. The changes do not
  make those pages look noticeably worse, and they do make other pages
  look noticeably better.

Preparation for the golang.org -> go.dev move.

Change-Id: Ia0b5783e9db35785252dc37c443f3f25114f8b4a
Reviewed-on: https://go-review.googlesource.com/c/website/+/362501
Trust: Russ Cox <rsc@golang.org>
Reviewed-by: Jamal Carvalho <jamal@golang.org>

0 files changed, 0 insertions, 0 deletions