.B2BfullWidth { width:100%; }
.B2BhalfWidth { width:100%; } 
.B2BthirdWidth { width:50%; }
.B2BthirdWidth:nth-child(3n+1) { width:100%; }
	.B2BtwothirdsleftWidth { width:50%; }
	.B2BtwothirdsrightWidth { width:50%; }
	.B2BonethirdleftWidth { width:50%; }
	.B2BonethirdrightWidth { width:50%; }

.B2BquarterWidth { width:50%; }


.B2BfifthWidth { width:33%; }
	.B2BfifthWidth:nth-child(5n+1) { width:33%; }
	.B2BfifthWidth:nth-child(5n+2) { width:34%; }
	.B2BfifthWidth:nth-child(5n+3) { width:33%; }
	.B2BfifthWidth:nth-child(5n+4) { width:50%; }
	.B2BfifthWidth:nth-child(5n+5) { width:50%; }