body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    line-height: 1.7;
    margin: 40px auto;
    max-width: 720px;
    padding: 0 20px;
    background-color: #181a1b;
    color: #c5c8c6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

header,
footer {
    text-align: center;
}

h1,
h2,
h3 {
    color: #e0e0e0;
    line-height: 1.3;
    margin-top: 1.5em;
    margin-bottom: 0.8em;
}

h1 {
    font-size: 2.2em;
    margin-bottom: 0.6em;
}

h2 {
    font-size: 1.8em;
}

h3 {
    font-size: 1.4em;
}

nav {
    margin-bottom: 30px;
    font-size: 1em;
}

nav a {
    margin: 0 8px;
    font-weight: 500;
}

a {
    color: #67aba4;
    text-decoration: none;
}

a:hover,
a:focus {
    text-decoration: underline;
    color: #7bcac1;
}

hr {
    border: 0;
    height: 1px;
    background: #33373a;
    margin: 40px 0;
}

ul {
    padding-left: 25px;
}

li {
    margin-bottom: 10px;
}

p {
    margin-bottom: 1.2em;
}

.meta {
    font-size: 0.85em;
    color: #777c80;
}

pre,
code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier,
        monospace;
    background-color: #2a2c2e;
    padding: 2px 4px;
    border-radius: 3px;
    font-size: 0.9em;
}

pre {
    padding: 1em;
    overflow-x: auto;
}