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  New CSS functional pseudo-class selectors :is() and :where()

  • 5 users
  • web.dev
  • テクノロジー
  • 2021/06/02

  When writing CSS, you can sometimes end up with long selector lists to target multiple elements with the same style rules. For example, if you want to color adjust any <b> tags found inside a heading element, you could write: h1 > b, h2 > b, h3 > b, h4 > b, h5 > b, h6 > b { color: hotpink; } Instead, you could use :is() and improve legibility while avoiding a long selector: :is(h1,h2,h3,h4,h5,h6)

  • css

  
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  A Guide To Newly Supported, Modern CSS Pseudo-Class Selectors — Smashing Magazine

  • 3 users
  • www.smashingmagazine.com
  • テクノロジー
  • 2021/04/24

  The CSS Working Group Editor’s Draft for Selectors Level 4 includes several pseudo-class selectors that already have proposal candidates in most modern browsers. This guide will cover ones that currently have the best support along with examples to demonstrate how you can start using them today! Pseudo-class selectors are the ones that begin with the colon character “:” and match based on a state

  • CSS
  • techfeed
  • article
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