styles.css

html {
    padding: 30px;
    font-size: 16px;
}

body {
    font-family: "Lyon Text Web", -apple-system, "Helvetica Neue", "Lucida Grande", sans-serif;
    color: rgb(51, 51, 51);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

body > *:first-child {
    margin-top: 0 !important;
}
body > *:last-child {
    margin-bottom: 0 !important;
}
a {
    color: #4183C4;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'SF Pro Display', -apple-system;
}

h1,
h2,
h3 {
    font-weight: 700;
}

h1 {
    font-size: 2.2em;
    padding-top: 0.3em;
    padding-bottom: 0.5em;
    border-bottom: 0.5px solid #eee;
}

/* h2 immediately following h1 */
h1 + h2 {
    padding-top: 0em;
}

h2 {
    font-size: 1.7em;
    padding-top: 0.3em;
    padding-bottom: 0.25em;
    border-bottom: 0.5px solid #eee;
}


h3 {
    font-size: 1.3em;
    padding-top: 0.2em;
    padding-bottom: 0;
}

h2 + h3 {
    padding-top: 0;
}

h4 {
    font-weight: bolder;
    text-transform: uppercase;
    font-size: 1.25em;
}
h5 {
    font-weight: bolder;
    text-transform: uppercase;
    font-size: 1em;
}
h6 {
    font-weight: bolder;
    text-transform: uppercase;
    font-size: 1em;
    color: #777;
}
p,
blockquote,
ul,
ol,
dl,
table{
    margin: 0.8em 0;
}
hr {
    height: 4px;
    padding: 0;
    margin: 16px 0;
    background-color: #e7e7e7;
    border: 0 none;
    overflow: hidden;
    box-sizing: content-box;
    border-bottom: 1px solid #ddd;
}

body > h2:first-child {
    margin-top: 0;
    padding-top: 0;
}
body > h1:first-child {
    margin-top: 0;
    padding-top: 0;
}
body > h1:first-child + h2 {
    margin-top: 0;
    padding-top: 0;
}
body > h3:first-child,
body > h4:first-child,
body > h5:first-child,
body > h6:first-child {
    margin-top: 0;
    padding-top: 0;
}
a:first-child h1,
a:first-child h2,
a:first-child h3,
a:first-child h4,
a:first-child h5,
a:first-child h6 {
    margin-top: 0;
    padding-top: 0;
}
h1 p,
h2 p,
h3 p,
h4 p,
h5 p,
h6 p {
    margin-top: 0;
}
li p.first {
    display: inline-block;
}
ul,
ol {
    padding-left: 30px;
}
ul:first-child,
ol:first-child {
    margin-top: 0;
}
ul:last-child,
ol:last-child {
    margin-bottom: 0;
}
blockquote {
    border-left: 4px solid #dddddd;
    padding: 0 15px;
    color: #777777;
}
blockquote blockquote {
    padding-right: 0;
}
table {
    padding: 0;
}
table tr {
    border-top: 1px solid #cccccc;
    background-color: white;
    margin: 0;
    padding: 0;
}
table tr:nth-child(2n) {
    background-color: #f8f8f8;
}
table tr th {
    font-weight: bold;
    border: 1px solid #cccccc;
    text-align: left;
    margin: 0;
    padding: 6px 13px;
}
table tr td {
    border: 1px solid #cccccc;
    text-align: left;
    margin: 0;
    padding: 6px 13px;
}
table tr th:first-child,
table tr td:first-child {
    margin-top: 0;
}
table tr th:last-child,
table tr td:last-child {
    margin-bottom: 0;
}

code,
tt {
    border: 1px solid #ddd;
    background-color: #f8f8f8;
    border-radius: 3px;
    padding: 0;
    font-family: Courier, monospace;
    padding: 2px 4px 0px 4px;
    font-size: 0.9em;
}

pre code {
    border: none;
}

pre {
  margin-top: 5px;
  margin-bottom: 10px;
  border: 1px solid #ddd;
  background: #f8f8f8;
  margin: 20px 0;
  padding: 8px;
  border-radius: 3px;
  text-align: left;
  overflow: auto;
  word-wrap: normal;
}