body { margin-left:auto; margin-right:auto; width:80%; }
h1   { border-bottom:4px solid red; }
h2   { border-bottom:2px solid orange; }
pre  { border:2px solid grey; background-color:#eef; padding:10px; }
li   { padding:5px; }
a    { text-decoration:none; color:black; padding:4px; }
a:hover { background-color: brown; color:white; }
._podblock_ { width:100%; background-color:black; color:white; padding:10px; }