html { font-size: 100% }
h1 { font-size: 2rem }
h2 { font-size: 1.6rem }
h3 { font-size: 1.2rem }
small { font-size: 0.8rem }

body {
  font-family: "Segoe UI", Roboto, sans-serif;
  margin: 0;
  background: #0d0d0d;
  color: #fffff0;
}
header {
  margin: 0 auto;
  padding: 24px;
  background: #000;
  color: #fffff0;
  text-align: center;
}
main {
  max-width: 80ch;
  margin: 0 auto;
  padding: 40px 20px;
}
section {
  background: #1a1a1a;
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid #2a2a2a;
}
section h2 {
  margin-top: 0;
  color: #04AA6D;
}
footer {
  padding: 24px;
  text-align: center;
  background: #000;
}

img {
      max-width: 600px; 
}

a:link {
    color: #fff600
}

a:visited {
    color: #fff8dc
}

a:active {
    color: #800080
}

.line-block {
    white-space: pre-wrap;
}