html,
body,
header,
#intro {
    height: 100%;
}

#intro {
    background: url(../img/bg-1.jpeg) no-repeat center center fixed;
    -webkit-background-size: cover;
    background-size: cover;
}

.top-nav-collapse {
    background-color: #484848;
}

.row {
    margin-right: 0px;
    margin-left: 0px;
}


@media (max-width: 768px) {
    .navbar:not(.top-nav-collapse) {
        background: #484848;
    }

    .display-4 {
        font-size: 2.5rem;
    }

    .mb-5,
    .my-5 {
        margin-bottom: 1rem!important;
    }

    .p-5 {
        padding: 1rem!important;
    }

    .mb-4 {
        margin-bottom: 0rem!important;
    }
    
    footer.page-footer a {
        margin-top: 20px;    
    }
}