html {
  background-color: #1a1a1a;
}

body {
  text-align: justify;
  color: #d4d4d4;
  font-family: Helvetica, sans-serif;
  width: 640px;
  margin: auto;
}

h1, h2, h3, h4, h5, h6 {
  color: #f0f0f0;
}

a {
  color: #dfa64f;
  text-decoration: none;
}

a:hover {
  color: #ffd67f;
}

.spoiler {
  color: #ddd;
}

.spoiler-header {
  color: #dfa64f;
  cursor: pointer;
}

.spoiler-header:hover {
  color: #ffd67f;
}

.spoiler-content {
  color: #aaa;
  font-family: serif;
  padding-left: 2ch;
  display: none;
}

hr  {
  border: 1px solid #333;
}