.lrtbxb1 {border-width:1px;border-style:solid;border-color:#c0c0c0;}
.ltrxb1 { border-style:solid;border-width:1px 1px 0px 1px;border-color:#c0c0c0;}
.lbrxb1 { border-style:solid;border-width:0px 1px 1px 1px;border-color:#c0c0c0;}
.ltbxb1 { border-style:solid;border-width:1px 0px 1px 1px;border-color:#c0c0c0;}
.rtbxb1 { border-style:solid;border-width:1px 1px 1px 0px;border-color:#c0c0c0;}
.ltxb1 { border-style:solid;border-width:1px 0px 0px 1px;border-color:#c0c0c0;}
.rtxb1 { border-style:solid;border-width:1px 1px 0px 0px;border-color:#c0c0c0;}
.lbxb1 { border-style:solid;border-width:0px 0px 1px 1px;border-color:#c0c0c0;}
.rbxb1 { border-style:solid;border-width:0px 1px 1px 0px;border-color:#c0c0c0;}
.lrxb1 { border-style:solid;border-width:0px 1px 0px 1px;border-color:#c0c0c0;}
.tbxb1 { border-style:solid;border-width:1px 0px ;border-color:#c0c0c0;}
.txb1 {border-style:solid;border-width:1px 0px 0px 0px;border-color:#c0c0c0;}
.lxb1 {border-style:solid;border-width:0px 0px 0px 1px;border-color:#c0c0c0;}
.rxb1 {border-style:solid;border-width:0px 1px 0px 0px;border-color:#c0c0c0;}
.bxb1 {border-style:solid;border-width:0px 0px 1px 0px;border-color:#c0c0c0;}
.lrtbxb2 {border-width:2px;border-style:solid;border-color:#c0c0c0;}
.ltrxb2 { border-style:solid;border-width:2px 2px 0px 2px;border-color:#c0c0c0;}
.lbrxb2 { border-style:solid;border-width:0px 2px 2px 2px;border-color:#c0c0c0;}
.ltbxb2 { border-style:solid;border-width:2px 0px 2px 2px;border-color:#c0c0c0;}
.rtbxb2 { border-style:solid;border-width:2px 2px 2px 0px;border-color:#c0c0c0;}
.ltxb2 { border-style:solid;border-width:2px 0px 0px 2px;border-color:#c0c0c0;}
.rtxb2 { border-style:solid;border-width:2px 2px 0px 0px;border-color:#c0c0c0;}
.lbxb2 { border-style:solid;border-width:0px 0px 2px 2px;border-color:#c0c0c0;}
.rbxb2 { border-style:solid;border-width:0px 2px 2px 0px;border-color:#c0c0c0;}
.lrxb2 { border-style:solid;border-width:0px 2px 0px 2px;border-color:#c0c0c0;}
.tbxb2 { border-style:solid;border-width:2px 0px ;border-color:#c0c0c0;}
.txb2 {border-style:solid;border-width:2px 0px 0px 0px;border-color:#c0c0c0;}
.lxb2 {border-style:solid;border-width:0px 0px 0px 2px;border-color:#c0c0c0;}
.rxb2 {border-style:solid;border-width:0px 2px 0px 0px;border-color:#c0c0c0;}
.bxb2 {border-style:solid;border-width:0px 0px 2px 0px;border-color:#c0c0c0;}
.lrtbxb3 {border-width:3px;border-style:solid;border-color:#c0c0c0;}
.ltrxb3 { border-style:solid;border-width:3px 3px 0px 3px;border-color:#c0c0c0;}
.lbrxb3 { border-style:solid;border-width:0px 3px 3px 3px;border-color:#c0c0c0;}
.ltbxb3 { border-style:solid;border-width:3px 0px 3px 3px;border-color:#c0c0c0;}
.rtbxb3 { border-style:solid;border-width:3px 3px 3px 0px;border-color:#c0c0c0;}
.ltxb3 { border-style:solid;border-width:3px 0px 0px 3px;border-color:#c0c0c0;}
.rtxb3 { border-style:solid;border-width:3px 3px 0px 0px;border-color:#c0c0c0;}
.lbxb3 { border-style:solid;border-width:0px 0px 3px 3px;border-color:#c0c0c0;}
.rbxb3 { border-style:solid;border-width:0px 3px 3px 0px;border-color:#c0c0c0;}
.lrxb3 { border-style:solid;border-width:0px 3px 0px 3px;border-color:#c0c0c0;}
.tbxb3 { border-style:solid;border-width:3px 0px ;border-color:#c0c0c0;}
.txb3 {border-style:solid;border-width:3px 0px 0px 0px;border-color:#c0c0c0;}
.lxb3 {border-style:solid;border-width:0px 0px 0px 3px;border-color:#c0c0c0;}
.rxb3 {border-style:solid;border-width:0px 3px 0px 0px;border-color:#c0c0c0;}
.bxb3 {border-style:solid;border-width:0px 0px 3px 0px;border-color:#c0c0c0;}
.bxb4 {border-style:dotted;border-width:0px 0px 1px 0px;border-color:#c0c0c0;}