body { 
	text-align: center; 
	margin-top:20px;
} 

button {
	font-family:Arial, Helvetica, sans-serif;
	font-size: 18px;
	padding: 10px 20px 10px 20px;
}
.demo { 
	text-align: left; 
	width: 800px;
	max-width: 90vw;
	border:solid 5px #CBCAC6;
	background-color:#f9f9f9;
	padding: 10px 20px 20px 20px; 
	font-family:Segoe UI, Arial,Verdana,Helvetica,sans-serif;
	font-size: 18px;
	margin: 0 auto; 
} 
table.Grid
{
	border-width: 5px;
	border-style: none;
	background-color: White;
	border-color: gray;
	font-family:Segoe UI, Arial,Verdana,Helvetica,sans-serif;
	font-size: 18px;
}

table.Grid TD, table.Grid TH
{
	padding: 4px 6px 4px 6px;
	border: solid 1px #E1E1E1;
	vertical-align: top;
}

table.Grid TH
{
	background-color: #E1E1E1;
	font-weight: normal;
	color: #505050;
}