Question:

The layout does not show the way I would like it to show (like it shows on your demo)


Answer:

Step 1: Add file: view/frontend/web/css/style.css

Step 2: Add file: view/frontend/layout/checkout_index_index.xml

Step 3: Delete folder: view/frontend/web/css/source


Note: With step 1 and 2, could you please find our instruction as attachments.