div.k1 { border-top:#111111 1px solid; border-left:#999999 1px solid; border-bottom:#111111 1px solid; border-right:#999999 1px solid; } div.k2 { border-top:#222222 1px solid; border-left:#888888 1px solid; border-right:#888888 1px solid; } div.k3 { border-left:#777777 1px solid; border-bottom:#333333 1px solid; border-right:#777777 1px solid; } div.k4 { border-left:#666666 1px solid; border-right:#666666 1px solid; } div.k5 { border-left:#555555 1px solid; border-right:#555555 1px solid; div.k6 { border-left:#444444 1px solid; border-right:#444444 1px solid; } div.k7 { border-left:#333333 1px solid; border-right:#333333 1px solid; } div.k8 { border-left:#222222 1px solid; border-right:#222222 1px solid;} div.k9 { border-left:#111111 1px solid; border-right:#111111 1px solid;}