:root {
    --primary:  #13547a;
    --secondary: #80d0c7;
    --background: #fcf6f0;
}

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

a:hover {
    text-decoration: underline;
}

body {
    background-color: var(--background);
    font-family: Gabarito, -apple-system, BlinkMacSystemFont, Inter, Avenir, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header nav {
    padding-bottom: 20px;
    margin-bottom: 40px;
}

header nav h1 {
    margin: 0;
}

header nav h1 a {
    text-decoration: none;
    color: #333;
}

header nav ul {
    list-style: none;
    padding: 0;
    margin: 10px 0 0 0;
}

header nav ul li {
    display: inline-block;
    margin-right: 20px;
}

header nav ul li a {
    text-decoration: none;
    color: #666;
}

.post-date {
    color: #666;
    font-size: 0.9em;
}

.post-nav {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.post-nav a {
    text-decoration: none;
    color: var(--primary);
}

a.tag, a.tag:visited {
    display: inline-block;
    vertical-align: text-top;
    letter-spacing: .1em;
    font-size: .625em;
    padding: 0 .5em;
    line-height: 2em;
    height: 2em;
    border: 1px solid var(--secondary);
    background-color: var(--secondary);
    color: var(--primary) !important;
    border-radius: .25em;
    text-decoration: none !important;
    margin: 0 .5em .5em 0;
}

a.tag:hover {
    border: 1px solid var(--primary);
    background-color: var(--primary);
    color: var(--secondary) !important;
    text-decoration: none !important;
}

a.tag:last-child {
    margin-right: 0;
}

footer {
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    text-align: center;
    color: #666;
    font-size: 0.9em;
}