Building a responsive tabbed component can be cleanly achieved using pure CSS by leveraging hidden radio buttons () and the sibling selector (). This popular approach eliminates the need for JavaScript entirely while ensuring fast rendering and excellent performance. 1. The Core Logic
The structure links tab navigation directly to content panels using standard HTML elements.
When a user clicks a Label, the corresponding Radio Button changes to a checked state. CSS catches this state with the :checked pseudo-class.
It targets the corresponding content wrapper via the general sibling selector to flip its visibility. 2. HTML Blueprint
Copy and paste this clean structural markup. Make sure all radio inputs share the exact same name attribute so only one tab stays active at a time.
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