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CSS Reading & focus claude.ai

Claude: wider conversation column

Widens Claude's narrow conversation column, giving answers and code blocks more room.

Code to copy

/* Widen Claude's conversation column */
[data-testid="chat-container"],
.max-w-3xl,
main [class*="max-w-"] {
  max-width: 1080px !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.

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