Correcting alignment

ws/Docbook/CustomLayer/slide/reveal.css.patch

+--- reveal.css.orig	2017-06-28 18:42:33.234960726 +0200
++++ reveal.css	2017-06-28 18:33:31.506979291 +0200
+@@ -26,7 +26,7 @@
+   border: 0;
+   font-size: 100%;
+   font: inherit;
+-  vertical-align: baseline; }
++  vertical-align: top; }
+ 
+ .reveal article, .reveal aside, .reveal details, .reveal figcaption, .reveal figure,
+ .reveal footer, .reveal header, .reveal hgroup, .reveal menu, .reveal nav, .reveal section {

ws/Docbook/Preprocess/make.rules

@@ -125,8 +125,8 @@ SAXONCMD=java -cp "${DBOOK_XSL}/tools/lib/saxon9he.jar:/usr/share/java/xercesImp
 
 %.slide: %.slide.xml
 	${SAXON6CMD} $< ${DBOOK_XSL_CUSTOM}/slide/slideHdm.xsl ${dbookXslSlideParam}
-#	${SAXONCMD} -s:$< -xsl:${DBOOK_XSL_CUSTOM}/slide/slideHdm.xsl ${dbookXslSlideParam}
 	rsync -a /usr/share/reveal.js .
+	cd reveal.js/css; patch < ${DBOOK_XSL_CUSTOM}/slide/reveal.css.patch
 	touch $*.slide
 
 # PDF