.1-bordo-dx {
    border-right: 1px solid;
}
.2-bordi {
    border-bottom: 1px solid;
	border-right: 1px solid;
}
.3-bordi {
    border-left: 1px solid;
	border-bottom: 1px solid;
	border-right: 1px solid;
}
.4-bordi {
    border-top: 1px solid;
	border-right: 1px solid;
	border-bottom: 1px solid;
	border-left: 1px solid;
}