body {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 30px;
    min-height: 95vh;
    display: flex;
    flex-direction: column;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1.5;
}

a {
    color: #0366d6;
}

hr {
    margin: 15px 0 20px;
    border-top: 1px solid #c9c7c7;
}

main {
    flex: 1;
}

header span a,
footer a {
    text-decoration: none;
}

.header-col-wrapper {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding-top: 30px;
}

.header-col-2 a + a {
    margin-left: 14px;
}

footer {
    margin-top: auto;
    margin-bottom: 2%;
}

.footer-heading {
    font-size: 1.15em;
    margin: 0 0 8px;
}

.footer-col-wrapper {
    display: flex;
    justify-content: flex-start;
    gap: 40px;
    flex-wrap: wrap;
    font-size: 0.9em;
}

footer ul {
    list-style: none;
    margin: 0;
    padding-left: 0;
}

.footer-col-3 p {
    max-width: 300px;
    margin: 0;
}

.post-meta,
.post-date {
    color: gray;
}

pre {
    border: thin solid #ccc;
    border-radius: 4px;
    padding: 10px;
    overflow-x: auto;
}

.error-page .container {
    margin: 10px auto;
    max-width: 600px;
    text-align: center;
}

@media (max-width: 600px) {
    body {
        padding: 0 5%;
    }
    .header-col-wrapper {
        flex-wrap: wrap;
    }
    .footer-col-wrapper {
        flex-direction: column;
        gap: 10px;
    }
    .footer-col-3 p {
        max-width: none;
    }
}