#menu{
margin:auto;
padding:0;
clear:both;
width:800px;
height:30px;
background:#fff;
}
.boton{
border-left: 1px solid #dcdbdb;
border-top: 1px solid #dcdbdb;
border-right: 1px solid #dcdbdb;
margin: 0 -1px 0 0;
height:30px;
float:left;
display:block;
width:112px;

}
.aqui{
display:block;
color:#fff;
width:112px;
height:30px;
background:#c00;
}
.boton a{
padding: 7px 0px;
text-decoration:none;
display:block;
width:112px;
color:#666;
background:#fff;

}
.boton a:hover{color:#fff;background:#c00;}
.boton a:visited{}
#menu_bottom{
margin:auto;
clear:both;
width:100%;
height:1px;
background-color:#fff;
border-top:1px solid #dcdbdb;
overflow:hidden;
}