Fixed isolate-shared-summary layout problems

runtime/observatory/lib/src/elements/isolate/shared_summary_wrapper.dart

Index: runtime/observatory/lib/src/elements/isolate/shared_summary_wrapper.dart
diff --git a/runtime/observatory/lib/src/elements/isolate/shared_summary_wrapper.dart b/runtime/observatory/lib/src/elements/isolate/shared_summary_wrapper.dart
index 72b86c24f98d7db45d83a81dea2e4f172dcb55ff..f51b5f012c43590637fca19bec60c49e4c308115 100644
--- a/runtime/observatory/lib/src/elements/isolate/shared_summary_wrapper.dart
+++ b/runtime/observatory/lib/src/elements/isolate/shared_summary_wrapper.dart
@@ -88,15 +88,17 @@ class IsolateSharedSummaryElementWrapper extends HtmlElement {
         }
         isolate-shared-summary-wrapped {
           display: block;
+        }
+        isolate-shared-summary-wrapped > .summary {
           height: 300px;
           position: relative;
         }
-        isolate-shared-summary-wrapped > .menu {
+        isolate-shared-summary-wrapped .menu {
           float: right;
           top: 0;
           right: 0;
         }
-        isolate-shared-summary-wrapped > isolate-counter-chart {
+        isolate-shared-summary-wrapped isolate-counter-chart {
           position: absolute;
           left: 0;
           top: 0;