Board Thread:Support Requests - Designing Your Wiki/@comment-24204753-20161115181810/@comment-25295528-20161115193012

Where you have placed "border", you have used commas, - ignore commas. I will give you an example:

ul.tabbernav { border: 1px solid #000B59 !important; background-color:#000B59; border-radius:5px 5px 0 0; height:35px; }

The border property can be used in the same manner in ANY selector, particularly in tabbers, so wherever you have "border" available, use it like the example, albeit change the colors and thicknesses if you wish. Where it says "solid", you can change this to things like "dashed" and "dotted" for interesting line styles. Play around with it :)