/* CSS Document */

body { counter-reset: chapter section subsection }

h1:before { 
	content: counter(chapter) " "; 
	counter-increment: chapter 
}
h1 { counter-reset: section }
h2:before { 
	content: counter(chapter) "." counter(section) " "; 
	counter-increment: section 
}
h2 { counter-reset: subsection }
h3:before { 
	content: counter(chapter) "." counter(section) "." counter(subsection) " "; 
	counter-increment: subsection 
}