Wix Classic Editor — Checkout Page Not Editable: Button Rename, Remove Sections & Mobile Field Sizing Workaround?

I’m having trouble with: Customizing the native Checkout page — renaming button text, removing sections, and resizing fields on mobile

Working in: Wix Classic Editor with Dev Mode (Velo) enabled

Site link: www.varietyshowroom.com

What I’m trying to do:

  1. Rename the checkout button text (e.g. “Pay & Place Order” to something custom)

  2. Remove unwanted sections like “Delivery Method” from the checkout page

  3. Reduce the size of input fields on mobile — they appear as large as desktop, making the experience very poor on phones

What I’ve tried so far:

  • Checked Settings → Checkout Fields — only field options available, no button rename

  • Enabled Velo Dev Mode — the Checkout page is grayed out and not editable in the editor

  • Tried accessing the checkout element via code — it’s an iFrame (#checkout1) and internal elements are not accessible

  • Tried wix-ecom-frontend and wix-stores-frontend APIs — ran into deprecated/missing module errors

Extra context: The checkout page loads as a locked iframe hosted by Wix, so CSS and Velo code cannot reach inside it. Mobile field sizes look identical to desktop — no way to adjust them from the editor. Is there any official or community workaround for any of these, especially the mobile sizing issue? Screenshots attached.

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