a.navi:link {color:black; text-decoration:none; font-family:arial, helvetica}
a.navi:hover {color:black; text-decoration:none; font-family:arial, helvetica}
a.navi:visited {color:black;text-decoration:none; font-family:arial, helvetica}
a.navi:active {color:black;text-decoration:none; font-family:arial, helvetica}

menu { position:fixed; left:0px; top:0px; width:100%; background-color:white;}