Rollup merge of #103616 - rust-lang:notriddle/moz-box-sizing, r=GuillaumeGomez

rustdoc: remove CSS workaround for Firefox 29

CSS variables, which rustdoc now relies on, are only supported in Firefox 31 and later: https://www.mozilla.org/en-US/firefox/31.0/releasenotes/

This means it’s fine to also rely on unprefixed box-sizing, which is supported in Firefox 29 and later: https://www.mozilla.org/en-US/firefox/29.0/releasenotes/
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Matthias Krüger 2022-10-27 15:03:58 +02:00 committed by GitHub
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@ -857,9 +857,7 @@ so that we can apply CSS-filters to change the arrow color in themes */
causes rounded corners and no border on iOS Safari. */
-webkit-appearance: none;
/* Override Normalize.css: we have margins and do
not want to overflow - the `moz` attribute is necessary
until Firefox 29, too early to drop at this point */
-moz-box-sizing: border-box !important;
not want to overflow */
box-sizing: border-box !important;
outline: none;
border: 1px solid var(--border-color);