body{
	width: 90%;
	margin-left: auto;
	margin-right: auto; 
	font-family: Arial;
}
header {
	text-align:left;
}

section {
	text-align: left;
	font-size: 16px;
	line-height: 1.5em;
}

h2{
	font-size: 18px;
}

h3{
	font-size: 14px;
}

pre{
	white-space: pre-wrap;
}