html , body{
    margin: 0;
    padding: 0;
    background: #a46c6c;
}

.container{
    opacity: 0.6;
    height: 100vh;
    display: flex;
    background: url('https://festivalgezelligheid.nl/images/festivalgezelligheidillustration.jpg') no-repeat center center;
    background-size: cover;
}