GUI -- TopoToolbarService created, working first set of toggles added.
- WIP on svg exercise (tabled to be worked on on another date)

Change-Id: I8d4ed84f0de44516419910dc5ee4c8eca7dc46ff
diff --git a/web/gui/src/main/webapp/_bripc/svg-exercise.html b/web/gui/src/main/webapp/_bripc/svg-exercise.html
index 676f71a..3952b6c 100644
--- a/web/gui/src/main/webapp/_bripc/svg-exercise.html
+++ b/web/gui/src/main/webapp/_bripc/svg-exercise.html
@@ -33,10 +33,11 @@
 
     <style>
         html,
-        body {
+        body, div {
             background-color: #eee;
             font-family: Arial, Helvetica, sans-serif;
             font-size: 9pt;
+            margin: 0;
         }
         .button {
             fill: #369;