d-article {
  display: block;
  color: rgba(0, 0, 0, 0.8);
  padding-top: 36px;
  padding-bottom: 72px;
  overflow: hidden;
  font-size: 16px;
  line-height: 1.6em;
  border-top: 1px solid rgba(0, 0, 0, 0.2);
}
@media(min-width: 1024px) {
  d-article {
    font-size: 18px;
  }
}

/* H2 */

d-article h2 {
  font-weight: 400;
  font-size: 26px;
  line-height: 1.25em;
  margin-top: 36px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
@media(min-width: 1024px) {
  d-article h2 {
    margin-top: 2em;
    font-size: 32px;
  }
}
d-article h1 + h2 {
  font-weight: 300;
  font-size: 20px;
  line-height: 1.4em;
  margin-top: 8px;
  font-style: normal;
}
@media(min-width: 1080px) {
  .centered h1 + h2 {
    text-align: center;
  }
  d-article h1 + h2 {
    margin-top: 12px;
    font-size: 32px;
  }
}

/* H3 */

d-article h3 {
  font-weight: 400;
  font-size: 20px;
  line-height: 1.4em;
  margin-top: 36px;
  margin-bottom: 18px;
  font-style: italic;
}
d-article h1 + h3 {
  margin-top: 48px;
}
@media(min-width: 1024px) {
  d-article h3 {
    font-size: 26px;
  }
}

/* H4 */

d-article h4 {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 14px;
  line-height: 1.4em;
}
d-article a {
  color: inherit;
}
d-article p,
d-article ul,
d-article ol {
  margin-bottom: 24px;
}
d-article p b,
d-article ul b,
d-article ol b {
  -webkit-font-smoothing: antialiased;
}
d-article a {
  border-bottom: 1px solid rgba(0, 0, 0, 0.4);
  text-decoration: none;
}
d-article a:hover {
  border-bottom: 1px solid rgba(0, 0, 0, 0.8);
}
d-article .link {
  text-decoration: underline;
  cursor: pointer;
}
d-article ul,
d-article ol {
  padding-left: 24px;
}
d-article li {
  margin-bottom: 24px;
  margin-left: 0;
  padding-left: 0;
}
d-article pre {
  font-size: 14px;
  margin-bottom: 20px;
}
d-article hr {
  border: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
  margin-top: 60px;
  margin-bottom: 60px;
}
d-article section {
  margin-top: 60px;
  margin-bottom: 60px;
}

/* Figure */

d-article figure {
  position: relative;
  margin-top: 30px;
  margin-bottom: 30px;
}
@media(min-width: 1024px) {
  d-article figure {
    margin-top: 48px;
    margin-bottom: 48px;
  }
}
d-article figure img {
  width: 100%;
}
d-article figure svg text,
d-article figure svg tspan {
}
d-article figure figcaption {
  color: rgba(0, 0, 0, 0.6);
  font-size: 12px;
  line-height: 1.5em;
}
@media(min-width: 1024px) {
  d-article figure figcaption {
    font-size: 13px;
  }
}
d-article figure.external img {
  background: white;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.1);
  padding: 18px;
  box-sizing: border-box;
}
d-article figure figcaption a {
  color: rgba(0, 0, 0, 0.6);
}
/*d-article figure figcaption::before {
  position: relative;
  display: block;
  top: -20px;
  content: "";
  width: 25px;
  border-top: 1px solid rgba(0, 0, 0, 0.3);
}*/
d-article span.equation-mimic {
  font-family: georgia;
  font-size: 115%;
  font-style: italic;
}
d-article figure figcaption b {
  font-weight: 600;
  color: rgba(0, 0, 0, 1.0);
}
d-article > d-code,
d-article section > d-code  {
  display: block;
}
d-article > d-math[block],
d-article section > d-math[block]  {
  display: block;
}
d-article .citation {
  color: #668;
  cursor: pointer;
}
d-include {
  width: auto;
  display: block;
}