body {
    background-image: "images/fondo.jpg"; 
    background-attachment: fixed;
    background-size: cover;
    margin: 0;
    font-family: verdana;
    font-size: 13px;
}
header {
    width: 100%;
    background: #2d2a26;
    position: fixed;
    z-index: 100;
    top: 0px
}
header label {
    display: none;
    width: 30px;
    height: 50px;
    padding: 5px;
        margin-left: 15px
}
header label:hover {
    cursor: pointer;
    background: rgba(255,255,255,0.3);
}
main section {
    text-align: center;
}
#btn-menu {
    display: none;
}
.menu .hom li {
    display: block;
}
.menu .hom2 li {
    display: none;
}
.menu ul {
    margin: 0px;
    list-style: none;
    padding: 0;
    display: flex;
}
.menu li {
    text-align: center;
    flex-grow: 1;
}
.menu li:hover {
    background: rgba(255,255,255,0.3);
}
.menu li a {
    display: block;
    color: #fff;
    text-decoration: none;
}
.seleccionar {
    background: rgba(245,150,1,0.5);
}
@media (max-width:990px) {
    header label {
        display: block;
    }
    .menu {
        position: absolute;
        background: #2d2a26;
        margin-left: -60%;
        transition: all 0.5s;
    }
    .menu ul {
        flex-direction: column;
    }
    .menu li {
        text-align: left;
        font-size: 30px
    }
    #btn-menu:checked ~ .menu {
        margin: 0;
    }
    .menu .hom2 li {
        display: block;
    }
    .menu .hom li {
        display:none;
    }
}   
.submenu ul {
    background: #4e4b4b;
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    position: fixed;
    margin-left: 30px;
}
.submenu li:hover {
    background: rgba(255,255,255,0.3);
}
.submenu li a {
    display: block;
    color: #fff;
    text-decoration: none;
}
.subseleccionar {
    background: rgba(245,150,1,0.5);
    color: #fff;
}