html { display: block; } 
head { display: none; } 
header { display: block; } 
body { display: block;
	margin: 8px; 
	background-color: darkblue; }
hr { display: block;
	margin-top: 0.5em;
	margin-bottom: 0.5em;
	margin-left: auto;
	margin-right: auto;
	border-style: inset;
	border-width: 1px; } 
h2 { display: block;
	font-size: 1.5em;
	margin-top: 0.83em;
	margin-bottom: 0.83em;
	margin-left: 0;
	margin-right: 0;
	font-weight: bold; } 
div { display: block; } 
img { display: inline-block; } 
a:link { color: (internal value);
	text-decoration: underline;
	cursor: auto; } 
a:visited { color: (internal value);
	text-decoration: underline;
	cursor: auto; } 
a:link:active { color: (internal value);
a:visited:active { color: (internal value);

p { display: block;
	margin-top: 1em;
	margin-bottom: 1em;
	margin-left: 0;
	margin-right: 0; } 

CITE {font-family: Monaco, sans-serif; font-style: italic}

table { display: table;
	border-collapse: separate;
	border-spacing: 2px;
	border-color: gray; 
	background-color: white; } 

.overflow  { width: 500px; 
	height: 100px; 
	margin: 10px;
	overflow-x: scroll; } 

.horizon { width: 1000px; 
	margin: 10px; } 

tbody { display: table-row-group;
	vertical-align: middle;
	border-color: inherit; } 
td { display: table-cell;
	vertical-align: inherit; } 
tfoot { display: table-footer-group;
	vertical-align: middle;
	border-color: inherit; } 
th { display: table-cell;
	vertical-align: inherit;
	font-weight: bold;
	text-align: center; 
	column-span: 2;
	text-align: white; } 
thead { display: table-header-group;
	vertical-align: middle;
	border-color: inherit; } 
tr { display: table-row;
	vertical-align: inherit;
	border-color: inherit; } 

ul { display: block;
	list-style-type: disc;
	margin-top: 1em;
	margin-bottom: 1 em;
	margin-left: 0;
	margin-right: 0;
	padding-left: 40px; } 
li { display: list-item; } 


 /* code for background colors - NOT currently in use */

.avatar { background-color: silver; }
.cataract { background-color: tan; }
.him { background-color: violet; }
.perse { background-color: skyblue; }
.reflection { background-color: red; }
.sun { background-color: darkblue; }

.white  { background-color: white; }