a:link{color:blue;text-decoration:none;}
a:active{text-decoration:none;color:blue;}
a:visited{text-decoration:none;color:blue;}
a:hover{color:black;}
.navegacao{font-family:verdana,sans-serif;text-align:center;color:white;text-decoration:none;}
.barra{font-family:verdana,sans-serif;font-size:12pt;text-align:center;background-color:gray;color:white;font-weight:bold;}