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CSS Look & feel claude.ai

Claude: highlight your own messages

Adds a tinted background and accent bar to your messages so they stand apart from Claude's replies.

Code to copy

/* Make your messages clearly distinct from Claude's replies */
[data-testid="user-message"] {
  background: rgba(217,119,87,0.12) !important;
  border-left: 3px solid #d97757 !important;
  border-radius: 12px !important;
  padding: 10px 14px !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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