html, body {
    height: 100%;
}

#header {
    /*height: 140px;*/
    height: 180px;
    background: rgba(0, 0, 0, 0.9);
}

#mainContent {
    min-height: 100%;
}

#main {
    /*margin-top: 150px;*/
    margin-top: 200px;
    padding: 0 20px;
}

@media (min-width: 1024px) {
    #header #logo {
        margin-top: 5px;
        padding: 3px 10px;
    }
}

@media (max-width: 991px) {
    #header {
        height: 92px;
    }

    #main {
        margin-top: 100px;
    }
}