#thumbnail-container {
  display: flex;
  flex-wrap: wrap;
}

.thumbnail {
  cursor: pointer;
  background: none;
  border: none;
  display: inline;
  flex: 0 0 auto;
  width: 50%;
  padding: 0.25em;
}

@media screen and (min-width: 750px) {
  .thumbnail {
    width: calc(100% / 3);
  }
}

@media screen and (min-width: 950px) {
  .thumbnail {
    width: 25%;
  }
}

#image-modal {
  padding: 0 0.8em 0.8em;
  margin: 6em auto auto;
  max-width: 90vw;
  max-height: 85vh;
  width: min(90vw, 1100px);
  border: 0;
  border-radius: 4px;
  overflow-y: auto;
  box-sizing: border-box;
}

@media screen and (min-width: 800px) {
  #image-modal {
    margin-top: 7em;
  }
}

@media screen and (min-width: 875px) {
  #image-modal {
    margin-top: 5em;
  }
}

@media screen and (min-width: 1075px) {
  #image-modal {
    margin-top: 6em;
  }
}

#image-modal::backdrop {
  background: rgba(0, 0, 0, 0.6);
}

#image-modal header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.image-modal-nav {
  font-size: 0.875em;
  background: none;
  border: none;
  padding: 0;
  margin: 0.25em 0;
  cursor: pointer;
}

.image-modal-nav:focus:not(:disabled),
.image-modal-nav:hover:not(:disabled) {
  color: #6677ff;
}

.image-modal-nav:disabled {
  color: #777777;
}

.image-modal-nav svg {
  vertical-align: bottom;
}

#image-modal .closeBtn {
  background: transparent;
  border: 0;
  padding: 0 0.5em;
  cursor: pointer;
}

#image-modal .closeBtn::before {
  font-size: 2em;
  content: "\2715";
}

#image-modal .closeBtn:focus,
#image-modal .closeBtn:hover {
  color: #6677ff;
}

.modal-image-container {
  text-align: center;
}

.modal-image-container img.width_greater {
  width: unset;
  max-width: 100%;
}

.modal-image-container img.height_greater {
  width: unset;
  max-height: 50vh;
}

@media screen and (min-width: 400px) {
  .modal-image-container img.height_greater {
    max-height: 60vh;
  }
}

@media screen and (min-width: 768px) {
  .modal-image-container img.height_greater {
    max-height: 64vh;
  }
}

@media screen and (min-width: 900px) {
  .modal-image-container img.width_greater,
  .modal-image-container img.height_greater {
    max-height: 70vh;
  }
}

#image-modal p {
  font-size: 1.3rem;
  margin: 0.5em 0 0;
}