for remove black border go (Oxygen.css) find this code

border-width: 0.5833em;

change to

border-width: 0.0em;

???

you are right ,it have a black border another thing when I change  the picture link for my own picture link the picture cannot be seen and it's not in the middle , how can I remove the black border?

http://kurdup.com/up/uploads/picture/08aa6f487b.png

thank you very very much for your helping .

thanks for your answers , but i have a question for punbb group ...  punbb group made this scrept by ther self , but is it possible they dont know  how to change this picture?

what happend? no one nows that ?

i now that I can edit by CSS  but i want to change the square to a picture that I want ,I now that with that code I can change
the color

.brd .main-content .main-item .icon {
    border-color: #EDF1F5 #DDE0E4 #C6CBD3 #BABFC6

but I want to change the sqaure into a picture that i want

no Answer?

i have a Question ,its two months I am trying to find the sum of my problem but I cant find the sum , I hope that answer me.
my Question is how to change that picture  in punbb 1.3 ?

http://kurdup.com/up/uploads/picture/3549cc4259.png