body {
    width: 80%;
    background-color: white;
    color: rgb(30,30,30); 
    margin: 2em; 
}

h1 { color: rgb(102,153,153); }
h2,h3 { color: rgb(204,51,51); }

div.menu {
    position: fixed;
    right: 20px; 
    width: 10%;
    padding-left: 10px;
    background: rgb(220,220,220);
}


div.head {
    padding-bottom: 2em;
    border-bottom: solid rgb(220,220,220);
}


div.foot {
    font-size: smaller;
    height: 5em;
    margin-top: 2em;
    border-top: solid rgb(220,220,220);
    margin-left: auto;
    margin-right: auto;
}

.hw {
    text-decoration: underline;
}

a {
    text-decoration: none;
    color: blue;
}

a:hover {
	text-decoration: none;
	background: rgb(255,204,0);
	color: rgb(153,0,0);
}

p {
    width: 90%;
}

.highlight {
	   color: red;
}

dl dt { font-weight: bolder; }

/* ul {
         margin-left: 5%;
         margin-right: auto;
} */

ul.topics {
    margin-left: 0%;
    padding-left: 0%;
    margin-right: auto;
/*    list-style-type: "-"; */
    }

table {
	 text-align: center;
	 color: black;
	 margin-left: auto;	
	 margin-right: auto;
}

table tr {
	 background-color: rgb(220,220,220);
}

table tr th {
      width: 30%;
}