Make script-insets obey their bounds, and other padding tweaks.

runtime/observatory/lib/src/elements/script_view.html

Index: runtime/observatory/lib/src/elements/script_view.html
diff --git a/runtime/observatory/lib/src/elements/script_view.html b/runtime/observatory/lib/src/elements/script_view.html
index a4aa02ddc97d394aaa5657796ee0651338822454..575a1ce57035d492228bc27e2900e1d3f327a206 100644
--- a/runtime/observatory/lib/src/elements/script_view.html
+++ b/runtime/observatory/lib/src/elements/script_view.html
@@ -17,18 +17,13 @@
     <nav-refresh callback="{{ refresh }}"></nav-refresh>
   </nav-bar>
 
-  <template if="{{ app.locationManager.internalArguments['pos'] == null }}">
-    <script-inset id="scriptInset" script="{{ script }}">
-      <h1>script {{ script.name }}</h1>
-    </script-inset>
-  </template>
-
-  <template if="{{ app.locationManager.internalArguments['pos'] != null }}">
+  <div class="content-centered-big">
+    <h1>script {{ script.name }}</h1>
+    <hr>
     <script-inset id="scriptInset" script="{{ script }}"
                   currentPos="{{ app.locationManager.internalArguments['pos'] | parseInt }}">
-      <h1>script {{ script.name }}</h1>
     </script-inset>
-  </template>
+  </div>
 
   <view-footer></view-footer>
 </template>