Retrieves value for custom background color.

Retrieves background image for custom background.

Gets the header image data.

Retrieves the markup for a custom header.

Retrieves any registered editor stylesheet URLs.

Retrieves header image for custom header.

Creates image tag markup for a custom header image.

Retrieves the custom header text color in 3- or 6-digit hexadecimal form.

Retrieves header video settings.

Retrieves header video URL for custom header.