Rare Earth Juejin Tech Community
Jun 30, 2025 · Frontend Development
Master CSS 9‑Slice Scaling with Border‑Image for Seamless UI Stretching
This article introduces the 9‑slice scaling technique, explains how CSS border‑image properties can create non‑distorting stretchable UI elements, and provides step‑by‑step code examples with visual demos to help front‑end developers reduce asset duplication while maintaining design fidelity.
9-slice scalingCSSResponsive
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