.box_menu{
	margin-left: auto; 
	margin-right: auto;
}
.box_menu a{
color:black;
font: Arial;
text-decoration:none;
}
.box_menu a:hover{
color:#000;
font: Arial;
background-color:transparent;
}
.box_corpo_menu{
background:transparent;
}

#menu {
width:auto;
margin:0;
}

#menu ul {
list-style:none;
}

#menu li {
display:inline;
float:left;
}

#menu li a {
color:#FFFF00;
font: Arial;
text-decoration:none;
display:block;
width:80px;
background:none;
}

#menu li a:hover {
font: Arial;
color:#000;
background-color:#FFFF00;
text-decoration:none;
padding: 1px;
}