CSS Skills Tests
Cascade, layout (Flexbox, Grid), specificity and responsive design
Tests
HTML + CSS — Beginner
How semantic structure and styling work together: landmarks, focus, responsive images, and spacing tokens.
BeginnerOpenCSS — Beginner
Selectors, the box model, cascade basics, common layout primitives, and units. Mix of single-answer and multiple-answer items.
BeginnerOpenHTML + CSS + Sass — Intermediate
Authoring maintainable structure, styling, and SCSS modules together: compilation, variables vs CSS custom properties, and partial organization.
IntermediateOpenCSS — Intermediate
BFC, flex/grid sizing, media, and motion preferences.
IntermediateOpenCSS — Advanced
Layers, :has, containment, scroll, and rendering edge cases.
AdvancedOpen