hugo-snap-gallery/assets/scss/snap-gallery.scss

.snap-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 10px;
}

/* Create equal columns in flexbox */
.snap-image {
  // TODO: Make this configurable with variables
  width: calc(100% / 4 - 10px);
  min-width: 200px;

  img {
    aspect-ratio: 16/10;
    width: 100%;
    object-fit: cover;
  }
}

/* The Modal (background) */
.modal {
  display: none;
  position: fixed;
  z-index: 1;
  padding-top: 50px;
  //padding-bottom: 10%;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;;
  overflow: auto;
  background-color: black;
}

/* Modal Content */
.modal-content {
  position: relative;
  background-color: #fefefe;
  margin: auto;
  padding: 0;
  width: 90%;
  max-width: 1200px;
  height: calc(100% - 100px);
}

/* The Close Button */
.close {
  color: white;
  position: absolute;
  top: 10px;
  right: 25px;
  font-size: 35px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: #999;
  text-decoration: none;
  cursor: pointer;
}

/* Hide the slides by default */
.snap-slide {
  display: none;

  max-height: 100%;

  img {
    max-height: 100%;
  }

}

/* Next & previous buttons */
.prev,
.next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  padding: 16px;
  margin-top: -50px;
  color: white;
  font-weight: bold;
  font-size: 20px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
  -webkit-user-select: none;
  text-decoration: none !important;
}

/* Position the "next button" to the right */
.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

/* On hover, add a black background color with a little bit see-through */
.prev:hover,
.next:hover {
  background-color: rgba(0, 0, 0, 0.8);
}

/* Number text (1/3 etc) */
.numbertext {
  color: #f2f2f2;
  background-color: #000;
  font-size: 12px;
  padding: 8px 12px;
  position: absolute;
  top: 0;
}

/* Caption text */
.caption-container {
  text-align: center;
  background-color: black;
  padding: 2px 16px;
  color: white;
}

img.img-thumb {
  opacity: 0.6;
}

.img-active,
.img-thumb:hover {
  opacity: 1 !important;
}

img.hover-shadow {
  transition: 0.3s;
}

.hover-shadow:hover {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}