catalog-year: improve CSS

Author: josteinaj

modules/nlb/catalog-year/src/main/resources/xml/dtbook.css

@@ -89,10 +89,15 @@ frontmatter, bodymatter level1, bodymatter level2, covertitle {
   page-break-after: always;
 }
 
+level1.print_toc, #toc {
+  page-break-before: always;
+}
+
 covertitle, h1, h2, h3, h4, h5, h6 {
   display: block;
   /*text-align: center;*/
-  padding: 2em 0 0.2em;
+  padding: 2em 0 1em;
+  line-height: 1em;
 }
 
 level1[id=toc], level2[id=toc] {
@@ -127,6 +132,7 @@ frontmatter doctitle {
   padding: 3em 0 2em;
   font-size: 3em;
   display: block;
+  line-height: 1em;
 }
 
 frontmatter h1, frontmatter level levelhd {