Are you loading all of the semantic components or only the ones you need? (as mentioned in the section of “bundling individual components”). If you are using only the ones you need, please try using all of them since you might have missed some necessary CSS.

If you are already bundling all of semantic’s components please provide me with a gist of your bundled CSS so i can take a look.

Thanks :)

Front-end ReactJS Developer — https://aggelos.dev

Front-end ReactJS Developer — https://aggelos.dev