body, html {
    height: 100%;
    margin: 0;
}

.bg {
/* The image used */
background-image: url('../images/clubhuis.jpg');

/* Full height */
height: 100%; 

/* Center and scale the image nicely */
background-position: center;
background-repeat: no-repeat;
background-size: cover;

/* Needed to position the navbar */
position: relative;
}

/* Position the navbar container inside the image */
.container {
position: absolute;
margin: 0;
width: auto;
}