[Sync] Make about:sync events page more selection friendly

chrome/browser/resources/sync_internals/events.css

Index: chrome/browser/resources/sync_internals/events.css
diff --git a/chrome/browser/resources/sync_internals/events.css b/chrome/browser/resources/sync_internals/events.css
new file mode 100644
index 0000000000000000000000000000000000000000..415ff5a477fcfe590027d216a8a7ab98de3e8f72
--- /dev/null
+++ b/chrome/browser/resources/sync_internals/events.css
@@ -0,0 +1,23 @@
+/* Copyright 2014 The Chromium Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#sync-events-table,
+#sync-events-table th,
+#sync-events-table td {
+  border: 1px black solid;
+}
+
+#sync-events-table {
+  table-layout: fixed;
+  width: 100%;
+}
+
+#sync-events > tr {
+  vertical-align: top;
+}
+
+.expanded .attrib-column {
+  display: none;
+}