The way you're talking about CSS makes me think you dont actually understand how CSS versioning works.
There is no 'major version of CSS' CSS is a collection of modules that all have their own individual level based on how many iterations they have been through. Flexbox is CSS level 1, Grid is level 1/2, Fonts is level 4.
I understand the confusion, as they made this 'module based versioning' change around the same time a lot of changes happened in CSS that resulted in a lot of modules being labeled CSS level 3. People just took 'CSS 3' and ran.
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The way you're talking about CSS makes me think you dont actually understand how CSS versioning works.
There is no 'major version of CSS' CSS is a collection of modules that all have their own individual level based on how many iterations they have been through. Flexbox is CSS level 1, Grid is level 1/2, Fonts is level 4.
I understand the confusion, as they made this 'module based versioning' change around the same time a lot of changes happened in CSS that resulted in a lot of modules being labeled CSS level 3. People just took 'CSS 3' and ran.
Thank you for the clarification.