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Warning: PRODUCTION

A red warning bar reminding you to handle the production environment with extra care.

Code to copy

body::before {
  content: "\26A0  PRODUCTION \2014  HANDLE WITH CARE";
  position: fixed; top: 0; left: 0; right: 0; z-index: 99999;
  background: #CC241D; color: #fff; text-align: center;
  font: 700 12px sans-serif; padding: 5px;
  letter-spacing: 1px; pointer-events: none;
}

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.