body	{
			margin: 0;
			background-image: url(tau.png);
			background-position: center;
			background-attachment: fixed;
			}
 
div		{
			width: 600;
			font-size: x-small;
			font-family: 'Courier New', Courier, monospace;
			text-align: justify;
			background-color: white;
			opacity: .8;
			}
			
img		{
			border: 0;
			}

a			{
			color: blue;
			}

td		{
			align: left;
			}