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Disney+: calmer dark contrast

Replaces the pure-black background with a softer graphite tone so dark-room viewing tires the eyes less.

Code to copy

/* Calmer dark contrast with a softer near-black background */
body,
[data-testid="app-background"],
[id="app-bg"] {
  background-color: #14161c !important;
}
[data-testid="collection"] {
  background: #14161c !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.