php -

I have this HTML

This with addition os some css gives this resoult:

I use this code to only allow one active:

 $(".btn-group > .btn").click(function(){
     $(this).siblings().removeClass("active");
     $(this).addClass("active");
 });

But it is just visual, and when I try to input vía php POST (within a form) I don't get nothing.

If i change to type=radio, the PHP works fine, but it is uglier.

¿Any magical idea to make it work keeping it fancy?

The php code for testing is:

MegaUltraTest 

Thank you.