h6 {
    margin-bottom: 1rem;
}
.gallery-divider {
    width: 100%; /* Fill the horizontal space */
    white-space: nowrap; /* Prevent wrapping */
    overflow: hidden; /* Hide overflow */
    font-size: 2rem;
    margin: 0;
    margin-top: 1em;
    margin-bottom: 1em;
}
.masonry { /* Masonry container */
    column-count: 2;
    column-gap: 1em;
}
    .gallery-masonry-img { /* Masonry bricks or child elements */
      background-color: #eee;
      display: inline-block;
      margin: 0 0 1em;
      width: 100%;
    }

.gallery-img {
    margin-top: 1em;
    margin-bottom: 3em;
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 60%;
    height: auto;
}

.gallery-video-box {
    margin-top: 1em;
    margin-bottom: 3em;
    display: flex;
    flex-direction: column;
    align-items: center;
}
    .gallery-video {
        width: 100%;
        height: auto;
    }
    .gallery-media-caption {
        font-weight: 500;
        font-style: italic;
        font-size: 1.2rem;
        margin: 0;
        padding: 0;
        margin-top: 0.5em;
        color: #e9e9e9a2;
        }

    .gallery-spoiler-text {
      background: white;
      color: transparent;
      cursor: help;
      user-select: none;
      transition: background 0.2s ease, color 0.1s ease;;
    }
    .gallery-spoiler-text:hover,
    .gallery-spoiler-text:focus {
      background: black;
      color: inherit;
    }
#links-tree ul li:first-child::before {
content: "← "; /* arrow for "BACK" button */
}