*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #24292e;
    background-color: #ffffff;
    margin: 0;
    padding: 2rem;
}

main {
    max-width: 860px;
    margin: 0 auto;
}

h1 {
    font-size: 2rem;
    border-bottom: 2px solid #e1e4e8;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.4rem;
    border-bottom: 1px solid #e1e4e8;
    padding-bottom: 0.3rem;
    margin-top: 2rem;
    color: #0366d6;
}

h3 {
    font-size: 1.1rem;
    margin-top: 1.2rem;
    margin-bottom: 0.4rem;
    color: #444d56;
}

ul {
    padding-left: 1.5rem;
    margin: 0.4rem 0 1rem;
}

li {
    margin: 0.25rem 0;
}

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

a:hover {
    text-decoration: underline;
}

p {
    margin: 0.5rem 0 1rem;
    color: #586069;
    font-style: italic;
}

hr {
    border: none;
    border-top: 1px solid #e1e4e8;
    margin: 2rem 0;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin: 1rem 0;
    font-size: 0.9rem;
}

th, td {
    border: 1px solid #d1d5da;
    padding: 0.5rem 0.75rem;
    text-align: left;
}

th {
    background-color: #f6f8fa;
    font-weight: 600;
}

tr:nth-child(even) {
    background-color: #fafbfc;
}

code {
    background-color: #f6f8fa;
    border-radius: 3px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 85%;
    padding: 0.2em 0.4em;
}