.gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 10px;
}

.gallery .image {
    text-align: center;
    width: calc(33.3333% - 6.6666px);
    aspect-ratio: 1 / 1;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.gallery .image:after {
    content: " ";
    position: absolute;
    display: block;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255,255,255,0.3);
    z-index: 2;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery .image:hover:after {
    opacity: 1;
}

.gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    box-shadow: 0px 0px 8px 0px rgba(0,0,0,0);
    transition: box-shadow 0.3s ease;
}

@media screen and (max-width: 800px) {
    .gallery .image {
        width: calc(50% - 5px);
    }
}

/* corners */
.gallery.gallery-corners {
    --gallery-corner-width: 45px;
    --gallery-corner-rev: calc(100% - var(--gallery-corner-width));
    gap: 0;
}

.gallery.gallery-corners  .image {
    width: 33.3333%;
}

.gallery-corners .image:before {
    content: " ";
    position: absolute;
    display: none;
    width: 100%;
    height: 100%;
    background-color: var(--color-light-brown-trans-75);
    z-index: 3;
}

.gallery-corners .image:nth-of-type(9n - 6):before,
.gallery-corners .image:nth-of-type(9n - 1):before
{
    display: block;
    clip-path: polygon(100% 0%, 100% 100%, 0% 100%, var(--gallery-corner-width) var(--gallery-corner-rev), var(--gallery-corner-rev) var(--gallery-corner-rev), var(--gallery-corner-rev) 0%);
}

.gallery-corners .image:nth-of-type(9n - 5):before {
    display: block;
    clip-path: polygon(0% 100%, 0% 0%, 100% 0%, var(--gallery-corner-rev) var(--gallery-corner-width), var(--gallery-corner-width) var(--gallery-corner-width), var(--gallery-corner-width) 100%);
}

@media screen and (max-width: 800px) {
    .gallery.gallery-corners  .image {
        width: 50%;
    }
}

@media screen and (max-width: 800px) {
    .gallery.gallery-corners {
        --gallery-corner-width: 20px;
    }
}