*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: Georgia, serif;
  font-size: 1.1rem;
  line-height: 1.6;
  color: #111;
  background: #fff;
  max-width: 640px;
  margin: 4rem auto;
  padding: 0 1.25rem;
}

a { color: #111; }
a:hover { color: #555; }

header { margin-bottom: 3rem; }
header h1 { font-size: 1.2rem; margin: 0 0 0.25rem; }
header p { margin: 0; color: #555; font-size: 0.9rem; }

nav { margin-top: 0.5rem; font-size: 0.9rem; }
nav a { margin-right: 1rem; text-decoration: none; border-bottom: 1px solid #ccc; }
nav a:hover { border-bottom-color: #111; }

h1 { font-size: 1.4rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 0.5rem; }

.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { margin-bottom: 1.5rem; }
.post-list .date { font-size: 0.85rem; color: #888; display: block; }
.post-list a { text-decoration: none; border-bottom: 1px solid #ccc; }
.post-list a:hover { border-bottom-color: #111; }
.post-list .desc { font-size: 0.95rem; color: #444; margin-top: 0.2rem; }

article { margin-top: 0; }
article h1 { margin-bottom: 0.2rem; }
.meta { font-size: 0.85rem; color: #888; margin-bottom: 2rem; }
article p { margin: 0 0 1.2rem; }
article ul { padding-left: 1.4rem; margin: 0 0 1.2rem; }
article li { margin-bottom: 0.4rem; }

.back { font-size: 0.9rem; margin-bottom: 2rem; display: inline-block; text-decoration: none; color: #888; border-bottom: 1px solid #ddd; }
.back:hover { color: #111; border-bottom-color: #111; }

footer { margin-top: 4rem; padding-top: 1rem; border-top: 1px solid #eee; font-size: 0.85rem; color: #aaa; }