body {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  line-height: 1.6;
  color: #000;
  background: #fff;
  max-width: 580px;
  margin: 40px auto;
  padding: 0 20px;
}
a { color: #000; }
a:visited { color: #000; }
h1 { font-size: 14px; font-weight: bold; margin: 0 0 4px 0; }
h2 { font-size: 12px; font-weight: bold; margin: 24px 0 8px 0; }
h3, h4, h5 { font-size: 12px; font-weight: bold; margin: 20px 0 6px 0; }
p { margin: 0 0 14px 0; }
ul, ol { margin: 0 0 14px 0; padding-left: 22px; }
li { margin-bottom: 4px; }
blockquote { margin: 0 0 14px 20px; color: #444; }
pre {
  background: #f4f4f4;
  padding: 8px;
  overflow-x: auto;
  font-family: Monaco, Courier, monospace;
  font-size: 12px;
}
code { font-family: Monaco, Courier, monospace; font-size: 12px; }
hr { border: none; border-top: 1px solid #ccc; margin: 24px 0; }
.logo {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 26px;
  height: auto;
}
/* na waskim ekranie kolumna siega krawedzi, wiec spuszczamy tresc nizej,
   zeby dlugi tytul nie wchodzil pod znaczek */
@media (max-width: 700px) {
  body { margin-top: 54px; }
}
.subtitle { color: #666; margin: 0 0 2px 0; }
.date { color: #666; margin: 0 0 20px 0; }
.nav { margin: 0 0 24px 0; }
.nav a { margin-right: 12px; }
.lang { margin: 0 0 20px 0; }
.index { list-style: none; padding: 0; }
.index li { margin-bottom: 6px; }
.index .when { color: #888; }
.index .note { color: #888; }
.footer { margin-top: 40px; color: #666; }
.mail span { display: none; }