::-webkit-scrollbar { display: none; }
  ::selection,
  ::-moz-selection { background: #ccc; }

  html {
    margin: 0;
    padding: 0;
    line-height: 140%;

    -webkit-column-rule-width: 0px;
  }

  body {
    margin: 0;
  }

  img {
    max-width: 100%;
    max-height: 90%;
  }

  p {
    word-wrap: break-word;
    margin: 0;
  }

  p+p {
    text-indent: 2em;
  }

  br+p {
    text-indent: 0;
  }

/**
 * Styles for headers.
 */
  h1, h2, h3,
  h4, h5, h6 {
    position: static;
    text-align: center;
    margin-bottom: 0.5em;
    font-size: 100%;
    margin-top: 1em;
    font-weight: normal;
  }

  h1:first-child, h2:first-child, h3:first-child,
  h4:first-child, h5:first-child, h6:first-child {
    margin-top: 0;
  }

  h1 {
    margin-bottom: 1em;
  }

  h2 {
    margin-bottom: 0.5em;
  }

  h1 {
    font-size: 150%;
  }

  h2 {
    font-size: 140%;
  }

  h3 {
    font-size: 120%;
  }

  h4 {
    font-size: 110%;
  }

  h5 {
    font-size: 105%;
  }

  h1+h1 {
    font-size: 130%;
    margin-top: -0.6em;
  }

  br+h2 {
    margin-top: 0;
  }


/**
 * Remove paragraph's indent inside headers.
 */
  h1 p, h2 p, h3 p,
  h4 p, h5 p, h6 p {
    text-indent: 0;
  }


/**
 * Right alignment layout.
 */
  .right {
    text-align: right;
    margin-bottom: 1.3em;
    padding-left: 20%;
  }

  .right p {
    text-indent: 0;
    margin-bottom: 0.3em;
  }

  .right em {
    font-size: 80%;
  }


/**
 * Center alignment layout.
 */
  .center {
    text-align: center; text-indent: 0;
  }

  .center p {
    text-indent: 0;
  }

  p+.center {
    margin-top: 1em;
  }


/**
 * Footnotes and images.
 */
  a {
    color: #3f71ef;
  }

  sup {
    color: #7e7e7e;
  }

  sup a {
    text-decoration: none;
  }

  /* Lists */
  ul, ol {
    padding-left: 40px;
    margin: 0.8em 0;
    font-size: 90%;
  }

  ul ul, ul ol, ol ul, ol ol {
    font-size: 100%;
  }

  ul, ul li {
    list-style: disc outside;
  }

  ol, ol li {
    list-style: decimal outside;
  }

  pre {
    font-size: 75%;
    padding-left: 20px;
  }

  pre, code {
    font-family: "Courier New", Courier, monospace;
  }

  .footnote-content {
    margin-top: 1em;
  }