body {
    margin: 0;
    padding: 0;
    font-family: -apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
    font-size: 1em;
    line-height: 1.5em;
}

a {
    color: #333;
}
a:hover {
    text-decoration: none;
}

h1, h2 {
    margin-bottom: 1em;
}
h1 {
    font-size: 3em;
}
h2, h3, h4 {
    margin-top: 1em;
    margin-bottom: 1em;
}
h2 {
    font-size: 2.5em;
}
h3 {
    font-size: 2em;
}
h4 {
    font-size: 1.5em;
}

time {
    color: #666;
    font-size: 1em;
    font-style: italic;
}

strong {
    font-weight: bold;
}
em {
    font-style: italic;
}
small {
    font-size: smaller;
}

p {
    margin: 1em 0;
}

ul, ol {
    margin-left: 40px;
}
ul {
    list-style: disc;
}
ol {
    list-style: decimal;
}

blockquote {
    border-left: 10px solid #aaa;
    background: #f0f0f0;
    border-radius: 5px;
    padding: 1em;
    margin-top: 1em;
    margin-bottom: 1em;
}
blockquote p {
    margin: auto;
}

pre {
    margin-top: 1em;
    margin-bottom: 1em;
}

code.inline {
    font-family: monospace;
    background-color: #f0f0f0;
    font-size: 1.25em;
    padding-left: 0.25em;
    padding-right: 0.25em;
}

img {
    text-align: center;
    margin: auto;
    display: flex;
}

img.logo {
    width: 4em;
}

div.info {
    border: 1px solid #aaa;
    background: #f0f0f0;
    border-radius: 5px;
    padding: 1em;
    margin-top: 1em;
    margin-bottom: 1em;
}
div.info p {
    margin: auto;
}

body > header {
    background-color: #44d19d;
    padding: 20px 15px 15px 15px;
    text-align: center;
    width: 100%;
}
body > header > nav > ul {
    list-style-type: none;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: auto;
}
body > header > nav > ul > li {
    margin: 1em;
}
body > header .social img {
    width: 1.5em;
}
body > header .social a {
    display: inline-flex;
}

main {
    margin: 2em auto;
    max-width: 780px;
}

.posts .post {
    padding: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid #ddd;
}
.posts .post h2 {
    font-size: 2em;
    line-height: 1.25em;
}
.post-meta {
    display: block;
    margin-bottom: 1rem;
    opacity: .65;
}

.back-link {
    display: block;
    margin: 1em 0;
}

.post header {
    margin-bottom: 1em;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    padding-bottom: 1em;
    padding-top: 1em;
}
.post header h1 {
    margin-bottom: 0.5em;
    line-height: 1em;
}
.post h2, .post h3, .post h4 {
    line-height: 1em;
}