like tha man said - but in more detail.
open book in sigil, click styles in LH window. open stylesheet.css
see stuff like this
.calibre12 {
display: block;
margin-bottom: 0;
margin-left: 0;
margin-right: 0;
margin-top: 1em;
text-align: center;
text-indent: 0
tweak margin values to suit..
tip ; look at a book textpage in code view beforehand to see which style element is used for paragraphs - that is the one to locate & tweak within the stylesheet.
e.g. if book has this
<p class="calibre9">“Christine, it’s good of you to come,” Marcus said.</p>
then I need to tweak calibre9 spec.
my calibre 9 in stylesheet is
.calibre9 {
display: block;
margin-bottom: 0;
margin-left: 0;
margin-right: 0;
margin-top: 1em;
text-align: justify;
text-indent: 1em
}
that margin top value is controlling my paragraph separation