diff --git a/examples/components/simpleviewer.html b/examples/components/simpleviewer.html
index 966beb76a..65b01dbea 100644
--- a/examples/components/simpleviewer.html
+++ b/examples/components/simpleviewer.html
@@ -27,6 +27,12 @@ limitations under the License.
margin: 0;
padding: 0;
}
+ #viewerContainer {
+ overflow: auto;
+ position: absolute;
+ width: 100%;
+ height: 100%;
+ }