word break rules and hyphens where possible for titles

css/reveal.css

@@ -78,6 +78,20 @@ body {
  * HEADERS
  *********************************************/
 
+.reveal h1,
+.reveal h2,
+.reveal h3,
+.reveal h4,
+.reveal h5,
+.reveal h6 {
+	-webkit-hyphens: auto;
+	   -moz-hyphens: auto;
+	        hyphens: auto;
+
+	word-break: break-all;
+	word-break: break-word;
+}
+
 .reveal h1 { font-size: 3.77em; }
 .reveal h2 { font-size: 2.11em;	}
 .reveal h3 { font-size: 1.55em;	}