body {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px;
}
.box {
	border: 1px solid #000000;
}
.top {
	border-top-width: 1px;
	border-right-width: 0px;
	border-bottom-width: 0px;
	border-left-width: 0px;
	border-top-style: solid;
	border-right-style: none;
	border-bottom-style: none;
	border-left-style: none;
	border-top-color: #000000;
}
.bottom {
	border-top-width: 0px;
	border-right-width: 0px;
	border-bottom-width: 1px;
	border-left-width: 0px;
	border-top-style: none;
	border-right-style: none;
	border-bottom-style: solid;
	border-left-style: none;
	border-bottom-color: #000000;
}
.topandbottom {
	border-top-width: 1px;
	border-bottom-width: 1px;
	border-top-style: solid;
	border-bottom-style: solid;
	border-top-color: #000000;
	border-bottom-color: #000000;
}