Learn it. Practise it. Prepare it. Prove it.

Fix the style that refuses to apply

"My CSS isn't working" — the specificity question that comes up in almost every CSS round.

Fix the button that does nothing

The click handler is wired to a selector that doesn't match anything on the page.

Replace the clickable div with a real button

"Why not just use a div with an onclick?" — the accessibility follow-up interviewers wait for.

Fix the box that won't center

text-align alone doesn't center a block box — find and fix the real centering bug.

Center a box with Flexbox

A classic layout task: center one element both horizontally and vertically inside its container.

Build a responsive card grid with no media queries

The auto-fit / minmax answer interviewers look for when they ask about modern responsive layout.

Add a skip-to-content link

Give keyboard users a way to jump past repeated navigation straight to the main content.

Fix the overflowing grid

Fixed-width tiles are wider than their container — swap them for a real responsive grid.

Toggle a FAQ answer

Wire up a button so clicking it flips a status between open and closed.

Design a notification banner

Style a clear success notification using spacing, color, and hierarchy.