Unlike many other R+J media that contain risqué "husband and wife" themes, this has none as it is aimed at children. Otherwise, these are animals as minor references, like nose rubbing and/or mild smoochies, are present.

Mild battle between Romeo and Prince.

No cursing. This is a kid's movie.

There is a racial reference, but not technically relevant. Romeo wishes he was different from all Montagues, such as the color of his fur (brown) as Juliet is Capulet (white).