body {
    max-width: 650px;
    margin: 40px auto;
    padding: 0 10px;
    font:
        18px/1.5 -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        "Helvetica Neue",
        Arial,
        sans-serif;
    color: #444;
}

h1,
h2,
h3 {
    line-height: 1.2;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 0.5em;
}

h2 {
    font-size: 1.8em;
    margin-top: 1.5em;
    margin-bottom: 0.5em;
}

h3 {
    font-size: 1.3em;
    margin-top: 1.2em;
    margin-bottom: 0.5em;
}

p {
    margin-bottom: 1.3em;
}

a {
    color: #0074d9;
}

a:hover {
    color: #001f3f;
}

blockquote {
    margin: 1.5em 0;
    padding: 0 0 0 1.5em;
    border-left: 3px solid #ccc;
    font-style: italic;
    color: #666;
}

code {
    background: #f4f4f4;
    padding: 2px 4px;
    font-size: 0.9em;
    border-radius: 3px;
}

pre {
    background: #f4f4f4;
    padding: 1em;
    overflow: auto;
    border-radius: 3px;
}

img {
    max-width: 100%;
    height: auto;
}

.meta {
    color: #888;
    font-size: 0.9em;
    margin-bottom: 2em;
}

.meta a {
    color: #888;
    text-decoration: none;
}

.meta a:hover {
    color: #444;
}

hr {
    border: none;
    border-top: 1px solid #ddd;
    margin: 2em 0;
}

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

li {
    margin-bottom: 0.5em;
}