nav {
    position: fixed;
    z-index: 999;
    width: 100%;
    top: 0;
    left: 0;
    float: left;
    background: url('/www/design/viola.png');
    border-bottom: thin solid #ffffff;
    display: block;
}

    nav ul {
        margin: 0px;
        padding: 0px;
        font-family: 'segoe', arial, serif;
        font-size: 1em;
        line-height: 2.2em;
        color: #ffffff;
        list-style-type: none;
        text-align: center;
        text-transform: uppercase;
    }

        nav ul li {
            margin: 10px;
            display: inline;
        }

            nav ul li a:link, nav ul li a:visited {
                color: #ffffff;
                text-decoration: none;
            }

            nav ul li a:hover {
                color: #c259fa;
                text-decoration: none;
            }

.smartphone {
    display: none;
}

#menucellulare {
    display: none;
}

#sottomenucellulare {
    display: none;
}

#menucellulare ul {
    list-style-type: none;
    font-size: 1.5em;
    margin: 0;
    padding: 0;
}

    #menucellulare ul li {
        border-bottom: thin solid #630d91;
        text-transform: uppercase;
    }
/* ------------------------------------------------------------------------------------------------------------------------------------------------- */
@media screen and (max-width: 900px) {
    nav {
        display: none;
    }

    .smartphone {
        width: 100%;
        float: left;
        background: #ffffff;
        display: block;
    }

        .smartphone img {
            border: 0;
            padding: 0;
            margin: 0;
            width: 50px;
            float: right;
        }
}
/* ------------------------------------------------------------------------------------------------------------------------------------------------- */
@media only screen and (max-device-width: 1080px) and (orientation:portrait) {
    nav {
        display: none;
    }

    .smartphone {
        width: 100%;
        float: left;
        background: #ffffff;
        display: block;
    }

        .smartphone img {
            border: 0;
            padding: 0;
            margin: 0;
            width: 50px;
            float: right;
        }
}