Switch to side-by-side view

--- a/GUI/standard.qss
+++ b/GUI/standard.qss
@@ -28,3 +28,11 @@
                                       stop:0.7 rgba(243, 132, 26, 255), 
                                       stop:1 rgba(255, 255, 255, 0));
 }
+
+/* This seems to be useful on win10 where it the default makes the search
+ match text barely visible (just changes the background to a pale grey,
+ almost invisible either against the white or grey backgrounds). */
+QWebView { 
+    selection-background-color: blue;
+    selection-color: white;
+}