.juntagrico_logo {
    background: url(https://www.gartenkooperative.li/wp-content/uploads/GartenLogo.jpg) 0 0px;
    display: inline-block;
    width: 100%;
    background-size: contain;    
    background-repeat: no-repeat;
    background-position: center;
    height: 201px;
}

div.header_content {
    text-align: right;
}