.bg-1 {
    background-image: url(../img/galerie/rj23-12.jpg);
    background-size: cover;
    background-position: center;
   
  }
.artikel-bild {
    width: 100%;
}
img {
    width: auto;
}
.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.gallery a {
    width: calc(33.333% - 10px);
    box-sizing: border-box;
}
.gallery img {
    width: 100%;
    height: auto;
    display: block;
}
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.lightbox img {
    max-width: 90%;
    max-height: 80%;
}
.lightbox:target {
    display: flex;
}
.close {
    position: absolute;
    top: 3rem;
    right: 2rem;
    font-size: 30px;
    color: white;
    text-decoration: none;
}