body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  padding: 2em;
  background-color: #fff;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 1em;
  margin-bottom: 1em;
  font-weight: 600;
  line-height: 1.25;
  color: #333;
  border-bottom: 1px solid #eaecef;
}

h1 {
  font-size: 2em;
}

h2 {
  font-size: 1.5em;
}

h3 {
  font-size: 1.25em;
}

h4 {
  font-size: 1em;
}

h5 {
  font-size: .875em;
}

h6 {
  font-size: .85em;
}

p, li {
  font-size: 1em;
  color: #333;
}

ul, ol {
  padding-left: 2em;
}

ul ul, ul ol, ol ol, ol ul {
  margin-top: 0;
  margin-bottom: 0;
}

strong {
  font-weight: 600;
}

em {
  font-style: italic;
}

blockquote {
  padding: 0 1em;
  color: #6a737d;
  border-left: .25em solid #dfe2e5;
}

a {
  color: #0366d6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

pre {
  padding: 16px;
  overflow: auto;
  line-height: 1.45;
  background-color: #f6f8fa;
  border-radius: 3px;
}

code {
  padding: .2em .4em;
  margin: 0;
  font-size: 85%;
  background-color: rgba(27,31,35,.05);
  border-radius: 3px;
}

hr {
  height: .25em;
  padding: 0;
  margin: 24px 0;
  background-color: #e1e4e8;
  border: 0;
}