body {}
p {}
td {}
.nav { }
<style type="text/css">
a:link {color: #000000; text-decoration: underline; }
a:active {color: #0000ff; text-decoration: underline; }
a:visited  { color: purple; text-decoration: underline }
a:hover    { color: #ff0000; text-decoration: none; border: 1pt }