[Block] Caption

1. Select the contact form option from the theme editor.

2. Click on Add block. Select Caption from Theme Block dropdown.

Setting	Description
Heading	Add text to display as a block caption (Leave the field blank to hide the caption)

Block padding

Setting	Description
Top margin	Determines the height of the top outside space of the section. Can be from 0px to 100px, increasing arithmetically of 1px (pixel).
Bottom margin	Determines the height of the bottom outside space of the section. Can be from 0px to 100px, increasing arithmetically of 1px (pixel).