body
{
 margin: 0;
 padding: 0;
 background: #ffd;
}

h1,h2,h3,h4,h5,h6
{
 margin: 1em auto .25em; 
 width: 90%;
 line-height: 1;
}

h1
{
 font-size: 1.5em;
 max-width: 29em;
}

h2,h3,h4,h5,h6
{
 font-size: 1.125em;
}

h2
{
 max-width: 35em;

}

h3
{
 max-width: 32em;
}

h4
{
 max-width: 31em;
}

h5
{
 max-width: 30em;
}

h6
{
 max-width: 29em;
}

p, address, ul
{
 width: 80%;
 max-width: 36em;
 margin: .25em auto .5em;
 line-height: 1.3;
}

p
{
 line-height: 1.5;
}

pre
{
 width: 80%;
 max-width: 36em;
 margin: .5em auto;
 padding-left: 3em;
 line-height: 1.3;
}

table
{
 width: 80%;
 max-width: 36em;
 margin: auto;
}

th
{
 text-align: left;
}

tr > td
{
 text-align: right;
 padding-right: .5em;
}

td + td
{
 text-align: left;
}