Developer Docs - Apple TV Docs - Getting Started
How to Style
Like the web, styling is added at the top of the document.
Standard styling rules apply using classes and ids.
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Global Styles
To add your configured site-wide styles to a page, simply add the SiteStyles merge field to your styles section.
Styling Syntax
The styling syntax is very similar to CSS. The TVML documentation covers the various options well. In the sections below we'll summarize some of the more common/useful concepts that are unique to TVML.