body
{
    font-family: arial;
    font-size: 1em;
}
div#wrapper
{
    width: 100%;
    height: 16px;
    display: table;
    padding: 0;
    margin: 0;
}
div#left, div#right
{
    display: table-cell;
    height: 100%;
}
div#content
{
    background-color: #ffffff;
    width: 700px;
    margin-left: auto;
    margin-right: auto;
    display: table-cell;
}
.nav
{
    border: 1px solid #ccc;
    border-width: 1px 0;
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
}
.nav li
{
    display:inline;
}
.nav a
{
    display: inline-block;
    padding: 10px;
}
p > code.hljs 
{ 
  display: inline; 
}
h2
{
    font-size: 1.2em;
    color: #44aacc;
}