.hero2 {
  min-height: 70vh;
  background-image:     
  linear-gradient(
      rgba(37, 18, 59, 0.6),
      rgba(37, 18, 59, 0.6)
    ),
    url("Treppen-Talk Webseite/Webseite\ 2.png");
  background-size: cover;
background-position: 50% 0%;
}
.button_div{
     display: flex;
  gap: 12px; /* distance between buttons */
}
.image-stack {
  display: flex;
  flex-direction: column;
  gap: 50px;
}