.prAH{height: 56px;}.prL{width: 10px;}.prR{width: 30px;}.prNH{height: 56px;}.prFLN{background: url('steps/fln.png') center no-repeat;}.prFCN{background: url('steps/fcn.png') center repeat-x;}.prFRN{background: url('steps/frn.png') center no-repeat;}.prFL{background: url('steps/fl.png') center no-repeat;}.prFC{background: url('steps/fc.png') center repeat-x;}.prFR{background: url('steps/fr.png') center no-repeat;}.prLN{background: url('steps/ln.png') center no-repeat;}.prCN{background: url('steps/cn.png') center repeat-x;}.prRN{background: url('steps/rn.png') center no-repeat;}.prLA{background: url('steps/l.png') center no-repeat;}.prCA{background: url('steps/c.png') center repeat-x;}.prRA{background: url('steps/r.png') center no-repeat;}.prLLN{background: url('steps/lln.png') center no-repeat;}.prLCN{background: url('steps/lcn.png') center repeat-x;}.prLRN{background: url('steps/lrn.png') center no-repeat;}.prLL{background: url('steps/ll.png') center no-repeat;}.prLC{background: url('steps/lc.png') center repeat-x;}.prLR{background: url('steps/lr.png') center no-repeat;}