#header-nav {
    background-image: url(https://trung.dk/wp-content/themes/radikale/assets/images/rainbow.jpg?);
    background-position: top;
    background-repeat: repeat-x;
    padding-top: 5px; 
}
.ekit-template-content-footer section {
      background-image: url(https://trung.dk/wp-content/themes/radikale/assets/images/rainbow.jpg?);
    background-position: bottom;
    background-repeat: repeat-x;
    padding-top: 5px;  
}