.box {
	border: medium double #000000;
}
.lineabove {
	border-top: medium double #000000;
}
.linebelow {
	border-bottom-width: thin;
	border-bottom-style: solid;
	border-bottom-color: #000000;
}
.res {
	margin-top: 20px;
	margin-bottom: 20px;
}