:root {
  --background-color: #fff;
  --text-color: #000;
  --hyperlink-color: #00f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-color: #232325;
    --text-color: #ccc;
    --hyperlink-color: #0ff;
  }
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
}

body {
  display: flex;
  flex-direction: column;
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: sans-serif;
}

header {
  display: flex;
  justify-content: space-between;
  padding: 20px;
  color: #fff;
  background-color: #384D98;
}

header a {
  color: #fff;
}

main {
  margin: auto;
  padding: 20px;
  width: 90%;
  max-width: 800px;
  min-height: calc(100vh - 180px);
}

footer {
  padding: 20px 0px;
  border-top: 1px solid var(--text-color);
}

footer div {
  margin: 10px;
}

h1 {
  width: 100%;
  border-bottom: 2px var(--text-color) solid;
}

h2 {
  width: 100%;
  border-bottom: 2px #ccc solid;
}

a {
  color: var(--hyperlink-color);
}

a:active {
  color: #f60;
}

a:visited:not(header a) {
  color: #c6f;
}

img {
  max-height: 30vh;
}

blockquote {
  padding: 10px 5px;
  border: 2px var(--text-color) solid;
}

p {
  margin: 40px 0px;
}


#metadata {
  padding: 20px;
  border: 2px solid var(--hyperlink-color);
  border-radius: 10px;
}


.center {
  text-align: center;
}

.wide-margin {
  margin: 100px;
}