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Sticky booking summary

Keeps the panel summarizing chosen services and price visible while you scroll a long booking page.

Code to copy

[data-testid*="summary" i], [class*="booking-summary" i],
aside:has([class*="cart" i]), [class*="checkout-summary" i] {
  position: sticky !important;
  top: 16px !important;
  align-self: flex-start !important;
  z-index: 50 !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.