st-core. fscss is a pure-CSS charting system that renders line charts with no SVG, no Canvas, and no JavaScript charting library. It uses: clip-path: polygon() for the line shapes CSS custom properties ( --st-p1 … --st-p8 ) for the 8 data points FSCSS mixins that expand at compile/runtime into t...
Source: [Dev.to](https://dev.to/fscss/st-corefscss-multi-line-chart-pure-css-npa)