Hide Tab in registration for Plans CB subs

I have 2 plans: Plan A and Plan B
Plan A -> Tab A and fields A
Plan B -> Tab A and fields A and Tab B and Fields B

Now Tab and fields B are only shown for Plan B, so I hide fields B in the workflows for Plan A, and they are correctly hidden.

Now, using CSS I styled TAB B so I see it anyway in the registration form for Plan A, but correctly fields B are still hidden.

How can I completly hide the tab without removing CSS style?

By tabs do you mean the tabs added by CB Conditional? CBSubs can't fire CB Conditional events so when a tab becomes empty CB Conditional won't know to disable it. Don't think you can even do this with CSS as you need to use jQuery to loop through the inputs on a tab and if they're all hidden then set a class on the tab to hide it.

No, TAB B and fields B are not conditional. Just setted with CBSubs.

I've setted CSS like that:

#cbtf_45 {
background-color: #EEEEEE;
border: 1px solid rgba(0, 0, 0, 0.05);
border-radius: 6px 6px 6px 6px;
box-shadow: 0 3px 7px rgba(0, 0, 0, 0.1);
font-size: 11px;
margin-bottom: 15px;
padding: 10px;
}

I see, I don't think you can without removing the CSS. CBSubs is just removing the fields row and not the tab. Nor does it apply a class to the empty tab for you to use to strip your CSS. You'd need to edit CBSubs JS and add for it to add a class to the tab when it's empty so you can use that class to remove your CSS or to also hide the tab element.

Ok, would suggest to add this feature in future releases, so Tabs can really be removed from code too if not necessary.

Thanks