.tab_sommario {
	border: 1px solid #666666;
}
.b_ubr {border-top:1px solid #000000;border-bottom:1px solid #000000;border-right:1px solid #000000;border-left:none;}
.b_ubl {border-top:1px solid #000000;border-bottom:1px solid #000000;border-left:1px solid #000000;border-right:none;}
.b_ulr {border-top:1px solid #000000;border-right:1px solid #000000;border-left:1px solid #000000;}
.b_d {border-bottom:1px solid #000000;}
.b_r {border-right:1px solid #000000;}
.b_dlr {border-bottom:1px solid #000000;border-right:1px solid #000000;border-left:1px solid #000000;}
.b_bd {border-bottom:1px solid #000000;border-top:1px solid #000000;}