html {
  height: 100%;
}

body {
  min-height: calc(100% - 90px);
  height: calc(100% - 90px);
}

body {
  --bs-body-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bs-gutter-x: 30px;
  background: #2A9190;
  color: #fff;
  background-image: url(/images/background-proof-of-concept.jpg);
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  margin-top: 60px;
  margin-bottom: 30px;
  overflow-y: scroll;
}

a {
  color: #56dddc !important;
  text-decoration: none;
}

.anchor {
  height: 60px;
  display: block;
}

header, footer, .bg-dark, .glightbox-clean .gslide-description, #navbarSupportedContent {
  background: #0D4444 !important;
}

#navbarSupportedContent.show,
#navbarSupportedContent.collapsing {
  padding: 15px;
}

#navbarSupportedContent li.nav-item {
  text-align: center;
}

#navbarSupportedContent.show a.flag,
#navbarSupportedContent.collapsing a.flag {
  display: inline-block;
}

.container {
  max-width: 1140px;
}

#header-container, #footer-container {
  padding: 0px;
}

#content {
  padding: 15px;
  min-height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
}

header {
  margin-bottom: 2rem;
  position: fixed;
  top: 0;
  z-index: 1001;
  height: 60px;
}

.fill {
  min-height: 100%;
  height: 100%;
}

footer {
  margin-top: 2rem;
  position: fixed;
  bottom: 0;
  height: 30px;
  line-height: 30px;
  font-size: 0.8em;
}

a.flag {
  font-size: 0;
  width: 40px;
  height: 30px;
  background-size: contain;
  padding: 0;
  margin: 0 5px;
}

.flags .dropdown-menu {
  width: 40px;
}

.flag-pl {
  background: no-repeat url(/images/flags/pl.svg);
}

.flag-de {
  background: no-repeat url(/images/flags/de.svg);
}

.flag-en {
  background: no-repeat url(/images/flags/en.svg);
}

.nav-link {
  padding: 0.1rem 1rem;
}

table.table {
  color: #fff;
  --bs-table-bg: transparent;
  --bs-table-hover-bg: rgba(255, 255, 255, 0.075);
  --bs-table-color: #fff;
}

table td.util {
  padding-left: 0;
  padding-right: 0;
}

#impressum {
  text-align: center;
  margin: 30% auto;
}

.invalid-feedback {
  background: rgba(0, 0, 0, 0.4);
  width: 100%;
  padding: 5px;
}

.figure {
  padding: 0.75rem;
}

.figure-caption {
  color: #fff;
}

.glightbox-clean .gslide-image {
  padding: 0.75rem 0.75rem 0 0.75rem;
}

.glightbox-clean .gslide-description {
  border-top: 1px solid rgba(255, 255, 255, 0.4);
}

.glightbox-clean .gslide-title {
  color: #fff;
}