up-modal[size=large] up-modal-box {
  width: 2560px;
}

body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

header {
  background-color: lightgrey;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1em;
}

.navigation {
  position: absolute;
  left: 1em;
}

.center {
  margin-left: auto;
  margin-right: auto;
}

#menuToggle {
  position: absolute;
  left: 1em;
  cursor: pointer;
  display: none; /* Hide by default */
  padding: 1em;
}

#closeMenu {
  display: none; /* Hide by default */
}

.pure-menu-item {
  display: inline-block; /* Horizontal menu */
}

.album-link-text {
  font-size: 4em;
}

/* Hide horizontal menu and show menu button on smaller screens */
@media (max-width: 60em) {
  #menuToggle, #closeMenu {
    display: block; /* Show menu button */
  }

  #menu .pure-menu-item {
    display: block; /* Vertical menu */
  }

  .navigation {
    position: fixed;
    top: 0;
    left: -200px; /* Hide menu off-screen */
    background-color: lightgrey;
    width: 200px;
    height: 100%;
    padding-top: 50px;
    transition: left 0.3s;
  }

  .navigation.open {
    left: 0; /* Show menu on-screen */
    z-index: 9999;
  }

  #menu {
    list-style-type: none;
    padding: 0;
  }

  .album-link-text {
    font-size: 2em;
  }
}

.photo-box {
  max-width: 100%;
  max-height: 75vh;
}

.photo-box a {
  max-width: inherit;
  max-height: inherit;
}

.photo-box img {
  display: block;
  max-width: inherit;
  max-height: inherit;
  margin-left: auto;
  margin-right: auto;
}

.animated-padding {
  margin: 0.5em;
  overflow: hidden;
}

.animated-padding img {
  display: block;
  transform: scale(1);
  transition: transform 0.3s ease-in-out;
}

.animated-padding:hover img {
  transform: scale(1.05);
}

.columns {
  column-count: 1;
  column-gap: 0;
}

@media (min-width: 48em) {
  .columns {
    column-count: 2;
  }
}

@media (min-width: 96em) {
  .columns {
    column-count: 3;
  }
}

@media (min-width: 144em) {
  .columns {
    column-count: 4;
  }
}

.columns > div:first-child {
  margin-top: 0; /* margin-top only affects first column for some reason */
}