This visualization presents a simple question—"DO YOU FEEL THE HEAT?"—as a horizontal gradient bar ranging from 1 to 5, overlaid with white tick marks and a line chart-like annotation. The code embeds an Observable notebook iframe alongside an inline SVG, using CSS media queries for responsive sizing. The SVG applies a linear gradient from white through yellow, orange, pink, and purple to dark blue, with text rendered in the Myriad Pro font. The implementation uses plain HTML, CSS, and SVG, with no external JavaScript libraries.