Navigate to /admin/structure/block/block-content/types and perform the following tasks:
- Select the Add custom block type button.
- Add a Label: Jumbotron.
- Select the Save button.
- Select the Manage fields button next to the Jumbotron Block Type.
- Add the following fields:
- Headline: Text (plain)
- Button: Link
- Select the Manage form display tab.
- Reorder the fields:
- Block description.
- Headline.
- Body.
- Button.
- Select the Manage display tab.
- Reorder the fields:
- Headline.
- Body button.