table#vis { 
	border-style: solid;
	border-width: thin;
	border-collapse: collapse;
	align: center;
}
th#vis {
	border-style: solid; 
	border-width: thin; 
	padding: 0.5em; 
	background-color: #f0f0f0
}
td#vis { 
	border-style: solid; 
	border-width: thin; 
	padding: 0.5em; 
}
h1 {
	text-align: center
}
/*h2 {
	text-align: center
}*/
body { 
	background-color: white;
	color: black
}
pre {
	padding: 1em;
	border-width: thin;
	border-style: dotted;
	background-color: #f0f0f0
}
ul#nav {
	background-color: #eda;
	border-style: solid;
	border-width: thin;
	margin: 0.5em;
	padding: 0.5em;
}
li#nav {
	list-style-type: none;
	display: inline;
	margin: 1em;
	padding: 1em;
}