.article {
  word-wrap: break-word;
}
.article h1 {
  border-bottom: 1px solid #ccc;
  font-size: 2rem;
  font-weight: normal;
  padding-bottom: 0.5rem;
  margin-bottom: 2rem;
  margin-top: 2rem;
}
.article h1:first-of-type {
  margin-top: 0;
}
.article h2 {
  border: 1px solid #ccc;
  border-bottom: 3px solid #1e26ab;
  font-size: 1.6rem;
  margin-bottom: 1.4rem;
  margin-top: 2rem;
  padding: 0.5rem 1rem 0.3rem;
}
.article h3 {
  border-bottom: 2px solid #aaa;
  font-size: 1.4rem;
  margin-bottom: 1rem;
  margin-top: 1.5rem;
}
.article h4 {
  font-size: 1.2em;
  margin-bottom: 0.4rem;
  margin-top: 1rem;
}
.article h5 {
  font-size: 1.1em;
  margin-bottom: 0.2rem;
  margin-top: 8rem;
}
.article h6 {
  font-size: 1.05rem;
  margin-bottom: 0.1rem;
  margin-top: 0.4rem;
}
.article code {
  border: 1px solid rgba(0, 0, 0, 0.1);
  background-color: rgba(0, 0, 0, 0.05);
  border-radius: 0.2em;
  padding: 0.2em;
  margin: 1rem;
}
.article hr {
  border: none;
  border-top: 1px dotted #000;
}
.article iframe {
  max-width: 100%;
}
.article figure {
  margin: 1rem 0;
}
.article figure figcaption {
  margin-top: 0.6rem;
  text-align: center;
}
.article img {
  max-width: 100%;
  height: auto;
}
.article a img:hover {
  opacity: 0.8;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.article ol {
  margin-top: 1em;
  margin-bottom: 0.5em;
}
.article ol li {
  margin-left: 2em;
  margin-bottom: 0.5em;
}
.article p {
  margin-top: 1em;
}
.article ul {
  margin-top: 1em;
  margin-bottom: 0.5em;
}
.article ul li {
  list-style-type: disc;
  margin-left: 1.5em;
  margin-bottom: 0.5em;
}
.article blockquote {
  border: 1px solid rgba(0, 0, 0, 0.1);
  background-color: rgba(0, 0, 0, 0.05);
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;
  border-radius: 5px;
  margin: 1em auto;
  padding: 1em;
}
.article blockquote p {
  margin-top: 0;
  margin-bottom: 1rem;
}