W3C TPAC, conic gradients in Firefox, focus, and CSS functions.
Interesting techniques with grid, subgrid, flexbox, and custom properties.
Flexbox gaps, DevTools, accessibility resources, and media queries
MDN Browser Compat Report, accessibility, animation, font-size with clamp()
In-depth with the display specification, sortable tables, and accessible navigation
CSS Clipping and Masking, a free 24 hour Inclusive Design event, Interaction Media Features
folding websites, hidden content, gradients, and CSS Shapes
Chrome DevTools, Inspired Design Decisions, leading-rim, structuring CSS
Grid Level 2 is a Candidate Recommendation.