Hi there. I did look all post on forum but still didn't find a solution. My problem is that i can't use module suffix on any theme because they never work.

1) I did used white space in front of the name of module class suffix;
2) I did disable JReviews ovewrite;
3) i can't work with module suffix in any module or page;

Could you help me, please? There is more information on "Misc Information" field.

Hi.

It's because you're trying to add module class suffix to a module assigned to Jomsocial BUILT-IN position like: js_side_frontpage
It will just don't work there as styles are limited to TEMPLATE module positions only.
As you can see here class suffix is added properly: prntscr.com/55hslu
But there are not valid classes for it.

But you can still fix it by adding new class declarations to custom.css (located in template css folder, if you don't have it - feel free to create it).

For example:

.moduletablecModule.app-box.sbox10 {
padding: 15px !important;
background: #510202 !important;
color: #f8f8f8 !important;
}

.moduletablecModule.app-box.sbox10 h3 {
font-size: 16px !important;
margin: -15px -15px 15px !important;
padding: 10px 15px 9px !important;
text-transform: uppercase !important;
background: #840303 !important;
text-shadow: 0 1px 0 #000000 !important;
border-bottom: 1px solid rgba(255,255,255,0.2) !important;
color: #fff !important;
box-shadow: 0 0 0 rgba(0,0,0,0) !important;
}

.moduletablecModule.app-box.sbox10 a {
color: #fff !important;
}

Thanks for the reply Michal. But is still can´t make the suffix " locais" work for the "Locais" module. How could you change this suffix using custom.css ?

Hi.

You mean "NOVOS LOCAIS"?
You disabled access for me to your site backend so I can'r check anything.