Fix margins regression

Author: fantasai

default.css

@@ -61,16 +61,11 @@
 /*                            Paragraphs and Lists                            */
 /******************************************************************************/
 
-	p,
-	div.note,
-	div.issue,
-	details.why {
+	p {
 		margin: 1em 0;
 	}
 	dd     > p:first-child,
-	li     > p:first-child,
-	.note  > p:first-child,
-	.issue > p:first-child {
+	li     > p:first-child {
 		margin-top: 0;
 	}
 
@@ -393,6 +388,17 @@
 		border-right-style: solid;
 	}
 
+	div.issue,
+	div.note,
+	div.example,
+	details.why {
+		margin: 1em auto;
+	}
+	.note  > p:first-child,
+	.issue > p:first-child, {
+		margin-top: 0;
+	}
+
 /** Open issue ****************************************************************/
   /* not intended for CR+ publication */