/* Shared typography and layout */
body {
    margin: 6rem auto 2rem;
    max-width: 75ch;
    line-height: 1.5;
    font-size: 17px;
    color: #1a1a1a;
    background: #fdfdfd;
    padding: 0 1rem;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-variant-ligatures: common-ligatures;
    hyphens: auto;
}

h1, h2, h3 {
    line-height: 1.2;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 500;
    color: #333;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.1rem; }

p {
    margin: 0 0 1rem 0;
}

ul, ol {
    margin: 0 0 1rem 1.25rem;
}

nav {
    margin: 1rem 0 2rem 0;
}

time {
    color: #555;
    font-size: 0.95em;
}

article {
    margin-top: 2rem;
}

a, a:visited, a:hover, a:active, a:focus {
    color: inherit;
}