body {
	line-height: 1.5em;
}
body {
	counter-reset: h2counter;
}

h2 {
	counter-increment: h2counter;
	counter-reset: h3counter;
}

h2::before {
	content: counter(h2counter) ". ";
	font-weight: bold;
}

h3 {
	counter-increment: h3counter;
	counter-reset: h4counter;
}

h3::before {
	content: counter(h2counter) "." counter(h3counter) " ";
	font-weight: bold;
}

h4 {
	counter-increment: h4counter;
}

h4::before {
	content: counter(h2counter) "." counter(h3counter) "." counter(h4counter) " ";
	font-weight: bold;
}