.box1 {
	border-right: #cccccc 1px solid; border-top: #cccccc 1px solid; border-left: #cccccc 1px solid; border-bottom: #cccccc 1px solid;
}
.box2 {
	border-right: #cccccc 1px solid; border-left: #cccccc 1px solid; border-top-color: #cccccc; border-bottom: #cccccc 1px solid;
}
.box3 {
	border-right: #cccccc 1px solid; border-left-color: #cccccc; border-top-color: #cccccc; border-bottom: #cccccc 1px solid;
}
.box4 {
	border-right: #cccccc 1px solid; border-top: #cccccc 1px solid; border-left-color: #cccccc; border-bottom: #cccccc 1px solid;
}
.box_g {
	border-right: gray 1px solid; border-top: gray 1px solid; border-left: gray 1px solid; border-bottom: gray 1px solid;
}