h1 {
  margin: 0 0 0.5em 0;
  border-bottom: 1px solid gray;
}

p {
  margin: 0;
}

ul {
  padding: 0 0 0 2em;
  margin: 0.5em 0;
}

a {
  color: #598eb2;
}

img {
  max-width: 100%;
  vertical-align: middle;
}

.hr {
  display: block;
  height: 1px;
  margin: 0.25em 0;
  background-color: gray;
}

body {
  width: 640px;
  height: 100%;
  padding: 0;
  margin: 0 auto;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 9pt;
  line-height: 1.5;
  color: white;
  background: url("/assets/img/background.png");
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: fixed;
  background-size: cover;
  background-color: #232629;
}
body .body {
  padding: 0.5em;
}

header {
  display: grid;
  grid-auto-flow: column;
  align-items: end;
}
header .banner {
  margin-right: auto;
  margin-bottom: 0.5em;
}
header .navbar {
  display: grid;
  grid-auto-flow: column;
  width: fit-content;
  margin-left: auto;
  font-weight: bold;
}
header .navbar-section {
  display: grid;
  grid-auto-flow: column;
  gap: 1px;
  width: fit-content;
  height: fit-content;
  background-color: gray;
}
header .navbar-button {
  width: fit-content;
  padding: 0.5em;
  line-height: 1;
  background-color: #232629;
}
header .navbar-button:hover {
  background-color: gray;
}
header .navbar-button img {
  margin-right: 0.25em;
}
header .navbar-button-active {
  width: fit-content;
  padding: 0.5em;
  line-height: 1;
  color: #232629;
  background-color: white;
  user-select: none;
}
header .navbar-button-active img {
  margin-right: 0.25em;
}
header .navbar a {
  text-decoration: none;
  color: inherit;
}

main {
  padding: 1em;
  background-color: #232629;
}

footer {
  display: grid;
  grid-auto-flow: column;
  padding: 1em;
  margin-top: 1em;
  font-size: 8pt;
  background-color: #232629;
}
footer .footer-left {
  text-align: left;
}
footer .footer-center {
  text-align: center;
}
footer .footer-right {
  text-align: right;
}

#modal-popup {
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
  visibility: hidden;
  background: transparent;
  transition: 0.2s;
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
#modal-popup.up {
  visibility: visible;
  background: rgba(0, 0, 0, 0.5);
  opacity: 1;
}
#modal-popup > img, #modal-popup > video {
  max-width: 80%;
  max-height: 80%;
}
#modal-popup > p {
  margin-top: 1em;
  padding: 1em;
  text-align: center;
  word-wrap: break-word;
  background-color: #232629;
}