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Trello: flat colour board background

Replaces a distracting board background photo with a calm, flat colour.

Code to copy

/* Replace a busy board background with a flat colour */
#board,
[data-testid="board-canvas"],
.board-wrapper {
  background-image: none !important;
  background-color: #1d2125 !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.