:is, :where, :has, and :not. Pattern matching with CSS Selectors Level 4

CSS Selectors Level 4 introduced several very powerful pseudo-classes. With full modern browser support imminent, we will look at four of the most powerful new selectors - :is, :where, :has, and :not - and investigate some ways we can use them today.

👽 Speaker
Justin Slack is head of design and front-end at NML, a software development company in Cape Town. He is fluent in HTML, CSS, and javascript and slightly obsessive about typography, web standards, and user-centered design. He co-founded the Cape Town front-end developers group in 2012 and is one of the co-founders of the non-profit organization Front-end Development South Africa (FEDSA).

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