Step 1 - Add the "Video Background" section block to the page
On the page you're working on, click "Add section" then add "Video Background"
Note: The Video Background section block may not be available in some themes
Step 2 - Upload a preview image for mobile devices
Step 3 - Enter the Video ID
At the moment, only youtube videos are supported
On the youtube video you want to add, click the "Share" button. Copy the video id as seen below, then paste it on the video id field.
Adjust the transparency of the video background, increasing the transparency will make the background darker
Step 4 - Add a Title & Description
Add a section title
Add a description about the section
Step 5 - Add a Button (optional)
Enter a button label (keep it blank to hide the button)
Paste in the URL you want people to see when they click the button
Step 6 - Don't forget to save your work!