feat(css): Update syntax for `bottom` `top` `left` `right`

[skyclouds2001]

Description

add support for anchor() and anchor-size(), which are supported since chrome v125 and chrome v132

also combine <length> and <percentage> into <length-percentage>

also add these properties to CSS Anchor Positioning group since this module also defines some of these features

Motivation

Additional details

https://developer.mozilla.org/en-US/docs/Web/CSS/bottom https://developer.mozilla.org/en-US/docs/Web/CSS/top https://developer.mozilla.org/en-US/docs/Web/CSS/left https://developer.mozilla.org/en-US/docs/Web/CSS/right https://drafts.csswg.org/css-anchor-position/#funcdef-anchor

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