[JSWolf]

Originally Posted by Notjohn

Named styles are ever so much easier to handle. This is my style for the "first" paragraph in a chapter or section:

p.first {
margin-top:0.5em;
margin-bottom: 0.0em;
text-indent:0.0em;
text-align:justify;
}

It's evoked of course by going <p class="first">

My style sheet can be seen at notjohnkdp.blogspot.com (posted in 2013 but often updated).

I find that it's neater to put all the spacing in the chapter header style or h1/h2.

h2 [
  font-weight: bold;
  text-align: center;
  text-indent: 0;
  margin-top: 1em;
  margin-bottom: 1em;
}
.noindent {
  text-indent: 0;
}