.hero, .footer {
    position: relative;
    background-position: center;
    background-size: cover;
    height: 90vh;
    background-image: url(bilder/hero.jpg);
}

.footer { 
    height: 40vh;
    background-image: url(bilder/frisyr5.jpg);
}

.hero--small {
    height: 50vh;
}


.pil:hover {
    opacity: 0.5;
}