body {
  padding: 0;
  margin: auto;
  background: #1c1c1c;
  color: white;
  font-size: 14px;
  max-width: 800px;
  font-family: monospace;
}

table,
td,
th {
  margin: auto;
  border: solid 1px;
  border-collapse: collapse;
}

td,
th {
  padding: 5px;
}

figure {
  text-align: center;
}

figcaption {
  font-style: italic;
}

h4 {
  margin: 5px;
  font-size: larger;
}

span.order-nr {
  line-height: 0;
  opacity: 0.4;
  margin-right: 9px;
}

span.order-nr:before {
  content: "#";
}

article {
  background: rgba(255, 255, 255, 0.1);
  padding: 5px 32px;
  margin: 10px 0;
  line-height: 1.5em;
  box-sizing: border-box;
  border-radius: 9px;
}

header {
  margin: auto;
  text-align: center;
}

main img {
  width: 600px;
  max-width: 100%;
  height: auto;
}

header img {
  width: 800px;
  max-width: 100%;
  height: auto;
}

footer {
  position: sticky;
}

h1 {
  animation: colorChange 10s infinite linear;
  border-bottom: solid 5px;
  margin: 10px auto;
  width: max-content;
}

@keyframes colorChange {
  0% {
    border-bottom-color: hsl(0 90% 70%);
  }
  25% {
    border-bottom-color: hsl(80 90% 70%);
  }
  50% {
    border-bottom-color: hsl(160 90% 70%);
  }
  75% {
    border-bottom-color: hsl(240 90% 70%);
  }
  100% {
    border-bottom-color: hsl(350 90% 70%);
  }
}