#nav-center-logo-menu-social {
    background: transparent;
}

#nav-center-logo-menu-social .nav-bg {
    background: linear-gradient(135deg, #111111, #000000);
    background: -webkit-linear-gradient(315deg, #111111, #000000);
}#desc-text-btn-quartbg{
    background: #f9fcff;
}

#desc-text-btn-quartbg .quarter-container-right {
    background-image: url('../images/screen-42.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    opacity:1;
}