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Substack: italic image captions

Renders image captions in italic with a slightly dimmed colour, like in print magazines.

Code to copy

/* Italic and dimmed image captions */
.body.markup figcaption,
.available-content figcaption,
[class*="postBody"] figcaption,
.image-link + p > em:only-child {
  font-style: italic !important;
  color: rgba(0, 0, 0, 0.55) !important;
  font-size: 14px !important;
  text-align: center !important;
  margin-top: 6px !important;
}

How to use this example

1. Copy the code with the button above.
2. Install JustZix (2 minutes) and open the extension on the target page.
3. Add a new rule matching that page.
4. Paste the code into the rule's CSS panel and save — the effect appears instantly.