Create val
/** @jsxImportSource https://esm.town/v/jxnblk/jsx */

Create val
<h1
  sx={{
    fontSize: 32,
    color: "magenta",
    "&:hover": {
      color: "rebeccapurple",
    },
    "@media (min-width:40em)": {
      fontSize: 48,
    }
  }}>
  Hello
</h1>

Demo 01 Demo 02