ByteDance Web Infra

Nov 18, 2021 · Frontend Development

Pure CSS Icons with UnoCSS: DataURI, Scaling, Coloring, and Masking Techniques

This article explains how to embed any SVG icon in pure CSS using UnoCSS presets, DataURI encoding, scalable em‑based sizing, context‑aware coloring via CSS masks, and provides practical code examples for both monochrome and multicolor icons.