.border-right-zw
{ BORDER-RIGHT: black 3px solid; }

.border-left-zw
{ BORDER-LEFT: black 3px solid; }

.border-top-zw
{ BORDER-TOP: black 3px solid; }

.border-bottom-zw
{ BORDER-BOTTOM: black 3px solid; }

.border-bottom-right-zw
{
 BORDER-BOTTOM: black 3px solid;
 BORDER-RIGHT: black 3px solid;
}

.border-bottom-left-zw
{
 BORDER-BOTTOM: black 3px solid;
 BORDER-LEFT: black 3px solid;
}

.border-left-right-zw
{
 BORDER-LEFT: black 3px solid;
 BORDER-RIGHT: black 3px solid;
}