.spf_container {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  padding: 1rem;
  white-space: normal;
}

.spf_container.spf_size_small {
  grid-template-columns: repeat(5, 1fr);
}

.spf_container .spf_item {
  position: relative;
  padding-bottom: 100%;
  overflow: hidden;
}

.spf_container .spf_item img {
  position: absolute;
  top: 0;
  left: 0;
  margin: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  transition: all 0.2s ease-in-out;
}

.spf_container .spf_item img:hover,
.spf_container .spf_item a:focus img {
  transform: scale(1.1);
}

.spf_caption {
  font-size: 11px;
  padding: 0.5rem;
}

#spf_lightbox_container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  z-index: 99999999;
}

#spf_lightbox_image_box {
  position: fixed;
  top: 2em;
  left: 2em;
  right: calc(2em + 35%);
  bottom: 2em;
  text-align: center;
}

#spf_lightbox_image_box img {
  max-width: 100%;
  max-height: 100%;
  border: 2px solid #000;
  outline: 1px solid #ccc;
  box-sizing: border-box;
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
}

#spf_lightbox_caption {
  position: fixed;
  bottom: 11em;
  top: 7em;
  right: 2em;
  background: #222;
  color: #fff;
  padding: .5em;
  box-sizing: border-box;
  text-align: center;
  border: 1px solid #ccc;
  width: calc(35% - 4em);
  overflow-y: auto;
  text-align: left;
}

#spf_lightbox_link {
  position: fixed;
  right: 2em;
  bottom: 7em;
  background: #222;
  color: #fff;
  padding: .5em;
  width: calc(35% - 4em);
  box-sizing: border-box;
  text-align: center;
  text-decoration: none;
  border: 1px solid #ccc;
}
#spf_lightbox_link:hover {
  background: #444;
}

#spf_lightbox_next > svg,
#spf_lightbox_prev > svg,
#spf_lightbox_close > svg {
  width: 3em;
  height: 3em;
  color: #fff;
}

#spf_lightbox_next:hover > svg,
#spf_lightbox_prev:hover > svg,
#spf_lightbox_close:hover > svg {
  color: #aaaaaa;
}

#spf_lightbox_next {
  position: fixed;
  right: 2em;
  transform: translateY(-50%);
  cursor: pointer;
  bottom: 1em;
}

#spf_lightbox_prev {
  position: fixed;
  transform: translateY(-50%);
  cursor: pointer;
  bottom: 1em;
  right: calc(35% - 5em);
}

#spf_lightbox_close {
  position: fixed;
  top: 2em;
  right: 2em;
  cursor: pointer;
}

@media (orientation:portrait) {
  #spf_lightbox_image_box {
    right: 2em;
    bottom: 16em;
    top: 7em;
  }

  #spf_lightbox_caption {
    top: unset;
    left: 2em;
    width: unset;
    text-align: center;
    bottom: 2em;
    height: 8.8em;
  }

  #spf_lightbox_link {
    bottom: 12em;
    right: 50%;
    translate: 50%;
    width: unset;
    max-width: calc(100% - 11em);
  }

  #spf_lightbox_prev {
    left: 2em;
    right: unset;
    bottom: 9.8em;
  }

  #spf_lightbox_next {
    bottom: 9.8em;
  }
}

@media only screen and (max-width: 768px) {
  .spf_container {
	grid-template-columns: 1fr 1fr;
	padding: 1rem 0;
  }

  .spf_container.spf_size_small {
	grid-template-columns: repeat(3, 1fr);
  }
}

@media only screen and (max-width: 480px) {
  .spf_container {
	grid-template-columns: 1fr;
  }

  .spf_container.spf_size_small {
	grid-template-columns: 1fr 1fr;
  }
}