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Highlight comparison delta cells

Tints comparison-mode delta cell backgrounds by change direction, purely with CSS.

Code to copy

[role="cell"]:has([aria-label*="increase" i]),
[role="gridcell"]:has([aria-label*="increase" i]) {
    background: #e6f4ea !important;
}
[role="cell"]:has([aria-label*="decrease" i]),
[role="gridcell"]:has([aria-label*="decrease" i]) {
    background: #fce8e6 !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.