body {
  font-family: arial;
	margin:20px
 	auto;
  max-width:610px;
	line-height:1.6;
	font-size:18px;
	padding:0
	10px
}

h1,h2,h3{
	line-height:1.2
}

table {
  font-family: arial;
  border-collapse: collapse;
  width: 100%;
}

.aref {padding-right:1em}

td, th {
  text-align: left;
  padding: 8px;
}