#m01, #m02, #m03, #m04, #m05, #m06, #m07 
{display:none; visibility: hidden;}

a:link {text-decoration: none}
a:visited {text-decoration: none}
a:hover {text-decoration: underline}

hr {width: 550px;}

#s01, #s02, #s03, #s04 {display:none; visibility: hidden;}