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ChatGPT: highlight your own messages

Adds a tinted background and accent bar to your messages so they are easy to tell apart from the model's replies.

Code to copy

/* Make user messages stand out from assistant replies */
[data-message-author-role="user"] {
  background: rgba(16,163,127,0.10) !important;
  border-left: 3px solid #10a37f !important;
  border-radius: 10px !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.