#contenedor_menu{
    background-color: #e85559;
}

#contenedor_menu ul {
    display: block;
    position: relative;
    margin: 0px;
    list-style-type: none;
    text-align: center;
    -webkit-margin-before: 0px;
    -webkit-margin-after: 0px;
    -webkit-margin-start: 0px;
    -webkit-margin-end: 0px;
    -webkit-padding-start: 0px;
}

#contenedor_menu ul li{
    display: block;
    padding: 0px;
    vertical-align: top;
}

#contenedor_menu a{
    display: block;
    font-family: Arial, sans-serif;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: -0.1;
    color: #FFFFFF;
    text-decoration: none;
    background: inherit;
    padding: 7px;
}

#contenedor_menu a:hover{
    background: #22b8cf;
}

#contenedor_menu a.menu_seleccionado{
    background: #22b8cf;    
}