v\:* {
  behavior: url(#default#VML);
}
html,
body {
  overflow: hidden;
  padding: 0;
  margin: 0;
  height: 100%;
  width: 100%;
  font-family: Open Sans;
  background: var(--background-color);
  color: var(--text-color);
}
main {
  margin: var(--header-height-outer) 0;
  overflow-y: scroll;
  height: 100%;
  font-family: Arial;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  background-color: var(--background-color);
  color: var(--text-color);
}
main h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}
main h2 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  font-weight: 400;
}
main .credits {
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 50px;
}
main blockquote {
  margin: 0 0 50px 0;
}
main blockquote p {
  margin: 0;
}
main h4 {
  font-size: 1.125rem;
  line-height: 1.75rem;
}
main p {
  font-size: 1rem;
  line-height: 1.75rem;
  padding: 1rem 0;
}

main em {
  font-family: Arial;
  letter-spacing: normal;
}
main a,
main a:hover,
main a:focus,
main a:active {
  color: inherit;
}

main .text-center {
  text-align: center;
}
main ul {
  padding-left: 30px;
  font-size: 1.125rem;
}
main ul li {
  font-size: 1rem;
  line-height: 1.75rem;
}
.line-bottom {
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
}
.image-wrapper {
  margin-bottom: 20px;
}
.image-wrapper p {
  margin-top: 5px;
  font-size: 0.875rem;
  line-height: 1.25rem;
  letter-spacing: -0.04em;
  padding: 0;
}
.image-wrapper img {
  width: 100%;
}
.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-image .image-wrapper {
  width: 350px;
}
.image-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(2, 1fr);
  grid-column-gap: 1rem;
  grid-row-gap: 0.6rem;
}
.image-grid.single {
  grid-template-rows: 1fr;
  gap: 0;
}
.image-grid a {
  position: relative;
}
.image-grid a .img-title {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  color: #fff;
  background: #000;
  padding: 2px 4px;
  font-size: 0.75rem;
  line-height: 1rem;
  margin: 5px;
}
.image-grid a:hover .img-title {
  display: block;
}
.image-grid a img,
.image-grid div img {
  width: 100%;
}
.grid-item-1x1 {
  grid-column: span 1;
  grid-row: span 1;
}
.grid-item-1x2 {
  grid-column: span 1;
  grid-row: span 2;
}
.grid-item-2x2 {
  grid-column: span 2;
  grid-row: span 2;
}
.start-2 {
  grid-column-start: 4;
}
.start-3 {
  grid-column-start: 3;
}
.start-4 {
  grid-column-start: 4;
}
.container {
  padding: 40px 0;
  width: 700px;
  margin-bottom: 100px;
}
#map-topics-line {
  position: fixed;
  top: var(--header-height-outer);
  height: 30px;
  left: 0;
  width: 100vw;
  display: grid;
  grid-template-columns: 45px 1fr;
  grid-template-rows: 30px;
  z-index: 50;
  background-color: var(--background-color);
}
#map-left-of-topics {
  background-color: var(--background-color);
  z-index: 51;
}
#map-topics {
  position: relative;
  padding-top: 5px;
  color: var(--text-color);
}
#map-periods {
  position: fixed;
  top: calc(var(--header-height-outer) + /* topics */ 30px);
  left: 0;
  height: calc(
    100vh - var(--header-height-outer) - /* footer */ 50px - /* topics */ 30px
  );
  width: 45px;
  z-index: 50;
}
#map {
  position: fixed;
  top: calc(var(--header-height-outer) + /* topics */ 30px);
  left: 45px;
  height: calc(
    100vh - var(--header-height-outer) - /* footer */ 50px - /* topics */ 30px
  );
  width: calc(100vw - 45px);
}
#audio-cc-container {
  position: fixed;
  text-align: center;
  left: 0;
  width: 100vw;
  bottom: 75px;
  z-index: 1000;
}
#audio-cc-text-container {
  margin: 0 auto;
  max-width: 700px;
  text-align: center;
  padding: 0 10px;
}
#audio-cc {
  padding: 0 3px;
  background-color: var(--background-color);
}
#footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  bottom: 0;
  background-color: var(--background-color);
  border-top: 1px solid var(--border-color);
  height: 60px;
  width: 100vw;
  position: fixed;
  z-index: 99;
  font-size: 14px;
  font-family: Arial;
}
#map-preview,
#map-preview > img {
  width: 348px;
  height: 39px;
}
.theme-toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 5px;
  padding-left: 10px;
}
#theme-toggle {
  display: flex;
  cursor: pointer;
  align-items: center;
  gap: 10px;
  margin-left: 15px;
}
#theme-toggle .theme-circle {
  width: 12px;
  height: 12px;
  border-radius: 100%;
  background-color: var(--text-color);
}
.zoom-wrapper {
  display: flex;
  align-items: center;
  gap: 5px;
  padding-right: 15px;
  position: relative;
}
.zoom-wrapper:after {
  content: "";
  width: 1px;
  height: 13px;
  background: var(--text-color);
  position: absolute;
  right: -1px;
}
.footer-credits {
  padding-right: 20px;
  font-size: 0.75rem;
}
#zoom-in {
  width: 11px;
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 8px 5px;
}
#zoom-out {
  height: 11px;
  width: 11px;
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 8px 5px;
}

.lightbox {
  position: fixed;
  width: 100%;
  height: 100%;
  text-align: center;
  top: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.75);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
}

.lightbox img {
  max-width: 90%;
  max-height: 85%;
  position: relative;
  top: -100%;
}

.lightbox:target {
  outline: none;
  top: 0;
  opacity: 1;
  pointer-events: auto;
}

.lightbox:target img {
  top: 0;
  top: 50%;
  transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  -o-transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
}

/* Media Queries */
@media (max-width: 768px) {
  #map-preview {
    display: none;
  }
  main h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 100%;
  }
  main {
    padding: 0 20px;
  }
  .hero-image .image-wrapper {
    width: 300px;
  }
  .container {
    padding: 0;
    width: 100%;
    margin-bottom: 130px;
  }
  .image-grid {
    grid-column-gap: 2%;
    grid-row-gap: 1%;
  }
  .footer-credits {
    margin: 0 auto;
    text-align: center;
  }
}