html { box-sizing: border-box; }
*, *:before, *:after { box-sizing: inherit; }

body {
  margin: 0;
  font-size: 1.2em;
  font-family: monospace;
  color: #EEE;
  background-color: #333;
}

article {
  position: absolute;
  display: block;
  max-width: 45em;
  padding-bottom: 3em;
}

.aspirational {
  padding: 0 1em;
  text-align: right;
  margin-top: 0;
  background: #444;
  line-height: 400%;
  text-transform: uppercase;
}

h1, h2, h3, h4, h5 {
  font-size: 1em;
  font-family: monospace;
  font-weight: normal;
  margin: 0;
  padding: 0;
}

h1 {
  font-weight: bold;
  text-align: center;
}

h2, h3, h4, h5 {
  margin-top: 2em;
}

article > * {
  padding-left: 1em;
  padding-right: 1em;
}

article > p {
  padding-left: 3em;
}

a {
  color: yellowgreen;
}

a[href^='#'] {
  color: #0D0;
  text-decoration: none;
}

@media print {
  a:link, a:visited {
    color: inherit;
    text-decoration: none;
  }

  .aspirational {
    display: none;
  }
}

@media screen {
  article {
    margin-top: 0.8em;
  }

  article:before {
    content: '';

    margin-top: -0.8em;
    position: absolute;
    background-color: #05F;
    height: 0.4em;
    width: 100%;
  }
}


.abstract .rfc:before      { content: 'Request for Comments: '; }
.abstract .category:before { content: 'Category: '; }

.abstract {
  margin-bottom: 3em;
}

.abstract p {
  margin: 0;
}

  .abstract p:before {
    display: inline-block;
    min-width: 22ch;
  }

.abstract .author:before           { content: 'Author: '; }
.abstract .publication-date:before { content: 'Publication Date: '; }

@media (min-width: 45em) {
  body {
    margin: 0 0.4em;
  }

  .abstract p:before {
    display: inline;
  }

  .abstract .author:before,
  .abstract .publication-date:before {
    content: '';
  }

  .abstract .title,
  .abstract .author,
  .abstract .category,
  .abstract .published {
    display: inline-block;
    width: 49%;
  }

  .abstract .author,
  .abstract .published {
    text-align: right;
  }
}