Heading element.

    <Heading>This is heading 1</Heading>

Heading size 2

    <Heading.h2>This is heading 2</Heading.h2>

Heading size 3

    <Heading.h3>This is heading 3</Heading.h3>

Heading level 2 with custom font size

    <Heading.h2 f={4}>This is heading level 2 with size 4</Heading.h2>