:root {
  --grid-gap: 12px;
}

.post-caption {
  display: none;
}

.post-link {
  display: block;
}

.post-link:hover {
  opacity: 1;
}

.post-lightbox {
  position: absolute;
  right: 15px;
  bottom: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  background-color: var(--color-white);
  border-radius: 50%;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  transform: scale(0.8);
}

.post-link:hover+.post-lightbox,
.post-lightbox:hover {
  opacity: 1;
  transform: scale(1);
}

.post-feed {
  margin: 0 auto;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s var(--animation-base);
}

.post-feed.initialized {
  visibility: visible;
  opacity: 1;
}

.post-feed .grid-item {
  position: absolute;
  width: 330px;
}

.post-feed .post {
  position: relative;
  margin: var(--grid-gap);
}

.post-feed .post-image {
  width: 100%;
}

@media (max-width: 640px) {
  .post-feed {
    --grid-gap: 4px;

    max-width: calc(100% - (calc(var(--gap) - var(--grid-gap))) * 2);
  }

  .post-feed .grid-item {
    width: 50%;
  }
}

@media (min-width: 641px) and (max-width: 1019px) {
  .post-feed {
    --grid-gap: 8px;

    max-width: calc(100% - (calc(var(--gap) - var(--grid-gap))) * 2);
  }

  .post-feed .grid-item {
    width: calc(100% / 3);
  }
}

@media (min-width: 1020px) {
  .post-feed {
    max-width: 990px;
  }
}

@media (min-width: 1350px) {
  .post-feed {
    max-width: 1320px;
  }
}

@media (min-width: 1680px) {
  .post-feed {
    max-width: 1650px;
  }
}