It is now possible to use different size for the topic titles in the PDF, depending on the topic level.
Use the following Custom CSS to tweak the sizes of the topic titles based on their “toc level”:
#topic-body .pdf-topic-level-1 h1.topic-header {
border-bottom: 10px solid #FF0000;
font-size: 32px;
color: #FF0000;
}
#topic-body .pdf-topic-level-2 h1.topic-header {
border-bottom: 5px solid #0000FF;
font-size: 26px;
color: #0000FF;
}
#topic-body .pdf-topic-level-3 h1.topic-header {
border-bottom: 3px solid #00FF00;
font-size: 20px;
color: #00FF00;
}
#topic-body .pdf-topic-level-4 h1.topic-header {
border-bottom: 1px solid #808080;
font-size: 14px;
color: #808080;
}