div#content table.calc {
	border:2px solid black;
	font-size:9.4444pt;
	width:15em;
	border-collapse:collapse;
}

table.calc tr {
	border:0;
}

table.calc td {
	border:0;
	text-align:right;
	padding:0;
	margin:0;
}

input.button{
	font:normal normal 180% Verdana,Arial,"sans serif";
	width:4.85em;
}

input.display{
	font:normal normal 250% Verdana,Arial,"sans serif";
	background-color:#80ffff;
	text-align:right;
	border:1px solid grey;
}