.font1 { color: #336699; font-size: 30px; font-family: arial; }
.font2 { color: black; font-size: 13px; font-family: arial; margin: 12px; }
.link_class { color: #369; font-size: 17px; font-family: arial; font-weight: bolder; }
.class { }
.nav { color: black; font-size: 11px; text-decoration: none; }
nav_element { }