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High-contrast mode

Boosts text and border contrast in the GTM console, making it easier to work in poor light or on a weak screen.

Code to copy

body, table, td, th,
[role="cell"], a, span, label {
  color: #111 !important;
}
table, table tr, table td,
[role="row"], [role="cell"] {
  border-color: #777 !important;
}
a { text-decoration: underline !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.