Libretto: Make Only Site Logo/Title Clickable

Solution to issue #369

libretto/style.css

@@ -871,6 +871,14 @@ body:not(.libretto-has-header-image) .title-block {
   padding: 0;
 }
 
+:not(.libretto-has-header-image) .title-block {
+  pointer-events: none;
+}
+
+img.site-logo.attachment-libretto-logo,.site-title {
+pointer-events: all;
+}
+
 /*--------------------------------------------------------------
 5.2 Footer
 ---------------------------------------------------------------*/