Today, we highlight the progress of #CSS specifications in #FirstWorkingDraft status on 3 levels: 3, 5 and 6! #timetogiveinput
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To review and/or to understand the #CSS levels, read this #explainer 😉:
All current #CSS specs have their own specific levels ranging from 1 to 5, but CSS as a whole does not have a version. Two reasons: 1) some features are easier to complete than others, 2) CSS became so big that it is too much work for the editors to maintain as a monolithic spec.
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#CSS Containment Level 3 proposes to speed up rendering with ‘containment queries’: applying style rules only if an element has a certain size or other characteristic (like ‘media queries’ do for whole documents) w3.org/TR/css-contain-3/
Dec 21, 2021 · 5:02 PM UTC
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#CSS Conditional Rules Module Level 5 includes and extends the functionality of CSS Conditional 4, adding the rules ‘@when’ and ‘@else’, as well as introducing font processing queries to the supports query syntax used in ‘@supports’ rules w3.org/TR/css-conditional-5/
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#CSS Cascading and Inheritance Level 6 explores another way of grouping style rules: the ‘scope’. An old idea, but which poses lots of questions w3.org/TR/css-cascade-6/