Problem view title fields on registration

It is not fully displayed, the titles of the fields.
No titles of the fields are completely displayed,.

I've tried several things, including leaving the entire width to the registration form.

Any ideas?

See on the jpg, error

This is likely caused by your site template's CSS definitions not playing nicely with 3rd-party components.
If you post a link to an Events page on your site, I can help you with tweaking your CSS code to allow more room for the item names.