diff --git a/html5/verto/verto_communicator/src/css/verto.css b/html5/verto/verto_communicator/src/css/verto.css
index c90a1247ed..0d674b42f8 100644
--- a/html5/verto/verto_communicator/src/css/verto.css
+++ b/html5/verto/verto_communicator/src/css/verto.css
@@ -507,7 +507,6 @@ body .modal-body .btn-group .btn.active {
max-height: calc(100% - 1vw);
max-width: 146.78vh;
margin: 7px auto;
- position: absolute;
top: 0;
bottom: 0;
left: 0;