This example shows a yellow smiley face rendered as a static SVG graphic, with a black-outlined face, two eyes, and a curved mouth. Built with React and D3 v7, the code defines fixed dimensions and positions for the face, eyes, and mouth, using D3’s `arc` function to generate the mouth path. The SVG is constructed declaratively with React components, mapping calculated constants like `eyeOffsetX` and `mouthRadius` to element attributes.