Substack: bigger h2/h3 headings
Enlarges and bolds section headings in the post so long articles are easier to scan.
Code to copy
/* Larger and bolder section headings inside the post body */
.body.markup h2,
.available-content h2,
[class*="postBody"] h2 {
font-size: 28px !important;
line-height: 1.3 !important;
margin-top: 1.6em !important;
font-weight: 800 !important;
}
.body.markup h3,
.available-content h3 {
font-size: 22px !important;
line-height: 1.35 !important;
font-weight: 700 !important;
}How to use this example
- Copy the code with the button above.
- Install JustZix (2 minutes) and open the extension on the target page.
- Add a new rule matching that page.
- Paste the code into the rule's CSS panel and save — the effect appears instantly.
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