.hero2 {
  min-height: 70vh;
  background-image:     
  linear-gradient(
      rgba(37, 18, 59, 0.6),
      rgba(37, 18, 59, 0.6)
    ),
    url("weihnachtswarte-bilder/Weihnachtswarte\ A3\ Poster.webp");
  background-size: cover;
background-position: 50% 50%;
}