What are custom styles?
Custom styles are CSS styles for classes.
Custom styles are CSS styles for classes.
Yes, the component link field supports both internal and external URLs.
No, the entity browser does not work for component defaults as the entities are content, not config.
Google maps may not be showing if you have not set a Google maps API key.
The Youtube video embed is responsive so it should expand to the width of its parent. If you do need to set a width you can apply the Width CSS property through the Style Builder.
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