XF 1.4 Frame around forums & categories.

[Heavy]

How do i remove this very small frame around forum & all categories?!

You see what i mean with my mouse.

Thank you.

 

[Deceptive]

How do i remove this very small frame around forum & all categories?!

You see what i mean with my mouse.

Thank you.

This should remove it

.sectionMain {
    background-color: none;
    padding: 10px;
    margin: 10px auto;
    border: none;
    border-radius: 10px;
}

 

[Heavy]

This should remove it

.sectionMain {
    background-color: none;
    padding: 10px;
    margin: 10px auto;
    border: none;
    border-radius: 10px;
}

Thank you sir!
You really are a lifesaver!