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

#intro {
    background: url("https://d2ehq7b3b8g4nd.cloudfront.net/website/img/qrscan.jpg")no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.top-nav-collapse {
    background-color: #24355C;
}

@media only screen and (max-width: 768px) {
    .navbar {
        background-color: #24355C;
    }
}