help remove and border at categories

i need remove all in red box and make border at green box, please..

1. Removing Topics & Posts columns:
Go to Administration Panel => Display => Templates => General => index_box => => Find these codes and remove:

Code:

                  <th class="tc2">{L_TOPICS}</th>
                  <th class="tc3">{L_POSTS}</th>

Code:

                  <td class="tc2">{catrow.forumrow.TOPICS}</td>
                  <td class="tc3">{catrow.forumrow.POSTS}</td>

Save, then publish.

2. Adding a border to last post:
Go to Administration Panel => Display => Pictures and colors => Colors => CSS Stylesheet, add this code:

Code:

td.tcr span{
border: 2px solid green;
}

More about borders: http://www.w3schools.com/css/css_border.asp

THANKS Gassy! you allways help alot