.releasenotes h1 { font-size: 2em; line-height: 1; margin-bottom: 0.5em; }
.releasenotes h2 { font-size: 1.7em; margin-bottom: 0.75em; }
.releasenotes h3 { font-size: 1.5em; line-height: 1; margin-bottom: 1em; }
.releasenotes h4 { font-size: 1em; line-height: 1; margin-bottom: 1em;
	font-weight: bold;
}
.releasenotes h5 { font-size: 1em; margin-bottom: 1.5em;
}
.releasenotes h6 { font-size: 1em; }