← All examples

Wikipedia: comfortable reading width

Caps the article line length to about 46em and centres the content so long lines are easier to read.

Code to copy

/* Cap the article line length for comfortable reading */
.mw-parser-output {
  max-width: 46em !important;
  margin-left: auto !important;
  margin-right: auto !important;
}
.mw-parser-output .infobox,
.mw-parser-output .navbox,
.mw-parser-output table.wikitable {
  max-width: 100% !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.