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

#intro {
    background: url("/public/img/landingpage.png")no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.top-margin{
    margin-top:15px;
}
.bottom-margin{
    margin-bottom:15px;
}

.navbar-dark .navbar-nav .active>.nav-link, 
.navbar-dark .navbar-nav .nav-link.active, 
.navbar-dark .navbar-nav .nav-link.show, 
.navbar-dark .navbar-nav .show>.nav-link {
    color: grey;
}

.navbar-dark .navbar-nav .nav-link {
    color: grey;
}

.navbar-dark .navbar-brand {
    color: grey;
}

.page-footer{
    background-color: #434343;
    color: #fff;
    padding-top:10px;
}

#footer_text{
    font-size:12px;
}