body { font-family: Helvetica; font-size: 12px; color: black} 
a:link { text-decoration: none; color: black}
a:visited { text-decoration: none; color: black}
a:active { text-decoration: none; color: black}
a:hover { text-decoration: underline}
h1 { font-family: Helvetica; font-size: 30px; color:black}
h2 { font-family: Helvetica; font-size: 20px; color:black}
h3 { font-family: Helvetica; font-size: 15px; color:black}
h4 { font-family: Helvetica; font-size: 13px; color:black}
h5 { font-family: Helvetica; font-size: 12px; color:black}
h6 { font-family: Helvetica; font-size: 10px; color:black}