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Narrow content width

Limits article width to about 70 characters per line and centers it for more comfortable reading.

Code to copy

article, .post, .entry-content, main {
  max-width: 70ch !important;
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: 1rem !important;
  padding-right: 1rem !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.