body {
 padding: 1em;
 font-family: sans-serif;
}
pre{
 background-color: #eee;
 overflow-x: auto;
 padding: 0.5em;
}

blockquote{
 font-style: italic;
}
header h1{
 font-size:3em;
}
h1,h2,h3{
 font-family: serif;
}
th,td{
 border-style:ridge;
 padding:5px;
}