Function Have you used the has selector in CSS? According to Chris Coyier, it's a game-changer. 5/30/26 The Fundamentals and Dev Experience of CSS @function – Frontend Masters Blog 5/29/26 Connecting Circles With a Curved Line 5/26/26 Advanced Tree Counting: Mathematical Layouts With sibling-index() And sibling-count() 5/21/26 Better fluid sizing with round() 5/17/26 rotateZ() 5/14/26 CSS sibling-index() and sibling-count(): Native List Staggering Without JavaScript 5/10/26 The Importance of Native Randomness in CSS 4/30/26 Trimming our CSS with sibling-index() and sibling-count() 4/24/26 The game changed when CSS introduced the IF-ELSE function 1/15/26 I Love the NEW CSS Functions 1/7/26 CSS Clamp 12/7/25 CSS Finally Gets Inline Conditional Logic With New if() Function 10/25/25 The CSS if() Function Has Arrived! 10/4/25 Dynamic nth-child() using sibling-index() and if() 7/26/25 The CSS shape() function 4/27/25 CSS @function + CSS if() = 🤯 3/12/25 Functions in CSS?! 3/8/25 New Values and Functions in CSS 10/1/24 How to Effectively Use the CSS rgba() Function 8/23/24