.install	{
			width:640px;
			text-align: center;
			margin-left: auto;
			margin-right: auto;
			font-size: 12px;
			}

.cola
			{
			float: left;
			width: 400px;
			margin-left: 50px;
			}

.colb
			{
			margin-left: 500px;
			max-width: 36em;
			}

a {text-decoration: none;}
a:link {color: navy;}
a:visited {color: green; }
a:hover {color: red; }

body 		{
			background-color: #E5E5E5;
			font-family: sans-serif;
			font-size: 16px;
			}

h1			{
			font-size: 36px;
			text-decoration: underline;
			text-align: center;
			color: navy;
			font-family: sans-serif;
			}

h2			{
			text-decoration: underline;
			text-align: center;
			font-family: sans-serif;
			}

h3			{
			text-decoration: underline;
			font-family: sans-serif;
			}

p.nav		{
			text-align: center;
			font-size: 18px;
			}


p.terminal	{
			margin-left: auto;
			margin-right: auto;
			width: 90%;
			border: 1px outset black;	
			background-color: white;
			padding: 3px; 
			font-family: monospace;
			font-size: 14px;
			color:blue;
			}

p.command	{
			margin-left: auto;
			margin-right: auto;
			width: 90%;
			border: 1px outset black;	
			background-color: white;
			padding: 3px; 
			font-family: monospace;
			font-size: 14px;
			color:green;
			}

p.file		{
			margin-left: auto;
			margin-right: auto;
			width: 90%;
			border: 1px outset black;	
			background-color: white;
			padding: 3px; 
			font-family: monospace;
			font-size: 14px;
			color:purple;
			}

p.vi		{
			margin-left: auto;
			margin-right: auto;
			width: 90%;
			border: 1px outset black;	
			background-color: white;
			padding: 3px; 
			font-family: monospace;
			font-size: 14px;
			color:black;
			}