H1 {
text-align : center
}

.displaymath {font-family: monospace; 
text-align : center;
background: none;
color: navy
}

.symbol {
font-family : symbol, monospace;
background: none; color: maroon
}

.math {font-family: monospace; 
background: none; color: maroon
}

OL.I {list-style: upper-roman}

.display {text-align: center}

SUB, SUP {font-size: 100%}

DIV.theorem {
background: white;
color: black
}

A:link, A:visited, A:active { text-decoration: none }