@keyframes lum-fade {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes lum-fadeZoom {
  0% {
    transform: scale(0.5);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes lum-loader-rotate {
  0% {
    transform: translate(-50%, -50%) rotate(0);
  }
  50% {
    transform: translate(-50%, -50%) rotate(-180deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(-360deg);
  }
}

@keyframes lum-loader-before {
  0% {
    transform: scale(1);
  }
  10% {
    transform: scale(1.2) translateX(6px);
  }
  25% {
    transform: scale(1.3) translateX(8px);
  }
  40% {
    transform: scale(1.2) translateX(6px);
  }
  50% {
    transform: scale(1);
  }
  60% {
    transform: scale(0.8) translateX(6px);
  }
  75% {
    transform: scale(0.7) translateX(8px);
  }
  90% {
    transform: scale(0.8) translateX(6px);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes lum-loader-after {
  0% {
    transform: scale(1);
  }
  10% {
    transform: scale(1.2) translateX(-6px);
  }
  25% {
    transform: scale(1.3) translateX(-8px);
  }
  40% {
    transform: scale(1.2) translateX(-6px);
  }
  50% {
    transform: scale(1);
  }
  60% {
    transform: scale(0.8) translateX(-6px);
  }
  75% {
    transform: scale(0.7) translateX(-8px);
  }
  90% {
    transform: scale(0.8) translateX(-6px);
  }
  100% {
    transform: scale(1);
  }
}

.lum-lightbox {
  background: rgba(0, 0, 0, 0.6);
}

.lum-lightbox-inner {
  top: 2.5%;
  right: 2.5%;
  bottom: 2.5%;
  left: 2.5%;
}

.lum-lightbox-inner img {
  position: relative;
}

.lum-lightbox-inner .lum-lightbox-caption {
  margin: 0 auto;
  color: #fff;
  max-width: 700px;
  text-align: center;
}

.lum-loading .lum-lightbox-loader {
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 66px;
  height: 20px;
  animation: lum-loader-rotate 1800ms infinite linear;
}

.lum-lightbox-loader:before,
.lum-lightbox-loader:after {
  content: "";
  display: block;
  width: 20px;
  height: 20px;
  position: absolute;
  top: 50%;
  margin-top: -10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.9);
}

.lum-lightbox-loader:before {
  left: 0;
  animation: lum-loader-before 1800ms infinite linear;
}

.lum-lightbox-loader:after {
  right: 0;
  animation: lum-loader-after 1800ms infinite linear;
  animation-delay: -900ms;
}

.lum-lightbox.lum-opening {
  animation: lum-fade 180ms ease-out;
}

.lum-lightbox.lum-opening .lum-lightbox-inner {
  animation: lum-fadeZoom 180ms ease-out;
}

.lum-lightbox.lum-closing {
  animation: lum-fade 300ms ease-in;
  animation-direction: reverse;
}

.lum-lightbox.lum-closing .lum-lightbox-inner {
  animation: lum-fadeZoom 300ms ease-in;
  animation-direction: reverse;
}

.lum-img {
  transition: opacity 120ms ease-out;
}

.lum-loading .lum-img {
  opacity: 0;
}

.lum-gallery-button {
  overflow: hidden;
  text-indent: 150%;
  white-space: nowrap;
  background: transparent;
  border: 0;
  margin: 0;
  padding: 0;
  outline: 0;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 100px;
  max-height: 100%;
  width: 60px;
  cursor: pointer;
}

.lum-previous-button {
  left: 12px;
}

.lum-next-button {
  right: 12px;
}

.lum-gallery-button:after {
  content: "";
  display: block;
  position: absolute;
  top: 50%;
  width: 36px;
  height: 36px;
  border-top: 4px solid rgba(255, 255, 255, 0.8);
}

.lum-previous-button:after {
  transform: translateY(-50%) rotate(-45deg);
  border-left: 4px solid rgba(255, 255, 255, 0.8);
  box-shadow: -2px 0 rgba(0, 0, 0, 0.2);
  left: 12%;
  border-radius: 3px 0 0 0;
}

.lum-next-button:after {
  transform: translateY(-50%) rotate(45deg);
  border-right: 4px solid rgba(255, 255, 255, 0.8);
  box-shadow: 2px 0 rgba(0, 0, 0, 0.2);
  right: 12%;
  border-radius: 0 3px 0 0;
}

/* This media query makes screens less than 460px wide display in a "fullscreen"-esque mode. Users can then scroll around inside the lightbox to see the entire image. */
@media (max-width: 460px) {
  .lum-lightbox-image-wrapper {
    display: flex;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
  }

  .lum-lightbox-caption {
    width: 100%;
    position: absolute;
    bottom: 0;
  }

  /* Used to centre the image in the container, respecting overflow: https://stackoverflow.com/a/33455342/515634 */
  .lum-lightbox-position-helper {
    margin: auto;
  }

  .lum-lightbox-inner img {
    max-width: none;
    max-height: none;
  }
}
