Hi I'm probably being thick, I just can't get my head around this in the docs
The framework includes two typographic scales—one uses a narrow range of sizes for small- and medium-sized screens, and the other uses a wider range of sizes for large-sized screens. You can change these scales, or add new ones for other breakpoints, by editing the
$hx-font-size variables in your project's Settings File.
I want to set a h1 size for small screen and a different size for large screens