.linhas {  border-color: black #6699CC; border-style: solid; border-top-width: 0px; border-right-width: 1px; border-bottom-width: 0px; border-left-width: 1px}
.linha_superior {  border-color: #CCCCCC black black; border-style: dashed; border-top-width: 1px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px}
.linha_inferior {  border-color: black black #CCCCCC; border-style: dashed; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 1px; border-left-width: 0px}
.linha_esquerda {  border-color: black black black #CCCCCC; border-style: dashed; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 1px}
.linha_direita {  border-color: black #CCCCCC black black; border-style: dashed; border-top-width: 0px; border-right-width: 1px; border-bottom-width: 0px; border-left-width: 0px}
.linhas_todas {  border: #CCCCCC; border-style: dashed; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}
.linha_sup_e_inf {  border-color: #CCCCCC black; border-style: dashed; border-top-width: 1px; border-right-width: 0px; border-bottom-width: 1px; border-left-width: 0px}
.linhas_esq_inf_dir {  border-color: black #CCCCCC #CCCCCC; border-style: dashed; border-top-width: 0px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}
.linhas_esq_dir {  border-color: black #CCCCCC; border-style: dashed; border-top-width: 0px; border-right-width: 1px; border-bottom-width: 0px; border-left-width: 1px}