style.css

@import url('https://fonts.googleapis.com/css?family=Source+Sans+Pro:200,300,400,700');
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@300;400;700&display=swap');

* {
    text-rendering: optimizelegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale
}

html .header-nav,
html .footer-nav,
html .markdown-body,
html .toc-menu {
    font-family: 'source sans pro', sans-serif !important;
}

html .markdown-body code {
    font-family: 'Fira Code', monospace;
    background: linear-gradient(to bottom, transparent 15%, rgba(47, 167, 143, 0.03) 15%, rgba(47, 167, 143, 0.03) 85%, transparent 85%);
    margin: 0 .05em;
}

html .markdown-body pre code,
html .markdown-body p code,
html .markdown-body h4 code{
    background: 0 0;
}

html .markdown-body h4 code::before,
html .markdown-body h4 code::after {
    display: none;
}

html .markdown-body h4 a {
    color: inherit;
    font-weight: inherit;
    text-decoration: underline;
}

html .markdown-body h3 + p,
html .markdown-body h4 + p {
    margin-top: -.9em;
}

html .markdown-body pre {
    padding: 24px;
    box-shadow: inset 1px 1px rgba(0, 0, 0, .04);
    background: #fafbfb
}

html .markdown-body h1, html .markdown-body h2, html .markdown-body h3, html .markdown-body h4 {
    font-family: source sans pro, sans-serif;
    font-weight: 300;
    color: #25a
}

html .markdown-body a {
    font-weight: 700;
}

html .markdown-body {
    line-height: 1.7
}

html .markdown-body .file-heading {
    font-weight: 700;
    font-size: .95em;
    padding-bottom: 16px;
    margin-bottom: 0;
    overflow: hidden;
    height: 1.3em;
    box-sizing: content-box;
    white-space: nowrap
}

html .markdown-body .file-heading code {
    background: 0 0;
    box-shadow: none;
    margin: 0;
    padding: 0
}

html .markdown-body .file-heading code:before, html .markdown-body .file-heading code:after {
    display: none
}

html .markdown-body .file-heading + pre {
    margin-top: 0
}

html .markdown-body .file-heading:before {
    display: inline-block;
    vertical-align: middle;
    content: "";
    font-family: Ionicons;
    font-weight: 400;
    font-size: 167x;
    width: 18px;
    color: #999;
    margin-top: -1px
}