:root {
    --link-color-primary: #007bff;
    --link-color-primary-hover: #0056b3;
    --link-color-dark: #343a40;

    --text-color-secondary: #6c757d;
    --text-color-body: #212529;

    --breakpoint: 720px;
}

body {
    width: var(--breakpoint);
    margin: 0 auto;
    font-size: 18px;
    font-family: Helvetica, sans-serif;
    color: var(--text-color-body);
}

@media all and (max-width: var(--breakpoint) -1px) {
    body {
        width: 90%;
        font-size: 16px;
    }
}

a:link, a:visited {
    text-decoration: none;
    color: var(--link-color-primary);
}

a:hover {
    text-decoration: underline;
    color: var(--link-color-primary-hover);
}

.site-header a:link,
.site-header a:visited {
    color: var(--link-color-dark);
}

.site-header .site-title {
    font-size: 1.3rem;
    display: inline-block;
}

.site-header .site-nav {
    font-size: 1rem;
    display: inline-block;
    vertical-align: 5%;
}

.site-nav ul[role=menu] {
    margin: 0;
    padding: 0;
}

.site-nav li[role=menuitem] {
    display: inline-block;
    margin-left: 1em;
}

.site-content {
    line-height: 1.6;
}

.site-content h1 {
    font-size: 1.8rem;
}

.site-content h2 {
    font-size: 1.5rem;
}

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

.site-content figcaption {
    font-size: .8rem;
    color: var(--text-color-secondary);
    text-align: center;
}

.site-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-color-secondary);
}

.page-footer {
    color: var(--text-color-secondary);
    font-size: 0.8rem;
    line-height: 1rem;
}

.post::after {
    margin: 2em;
    display: block;
    content: "〆";
    color: var(--text-color-secondary);
    text-align: center;
}

.post-meta {
    font-size: 1rem;
    color: var(--text-color-secondary);
}

blockquote {
    font-family: 'Times New Roman', Times, serif;
}

pre, blockquote {
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 40px;
    margin-inline-end: 40px;
}

pre.chroma {
    font-size: 1rem;
    line-height: 1.2;
    overflow-x: scroll;
}

code {
    font-family: 'SF Mono', 'Courier New', Courier, monospace;
}

.alert-legacy {
    background-color: #fde0b4;
    font-size: 1rem;
    padding: .12rem;
    border-radius: .5rem;
}

.alert-legacy p {
    margin: .5rem
}