diff --git a/src/atlasViewer/atlasViewer.style.css b/src/atlasViewer/atlasViewer.style.css
index 28beaa4f06234794e2478a7593e09d5c76652beb..1782ffbc74ce60ba5ae6cfe459947a26df9cf47b 100644
--- a/src/atlasViewer/atlasViewer.style.css
+++ b/src/atlasViewer/atlasViewer.style.css
@@ -43,7 +43,7 @@ layout-floating-container
 
 [fixedMouseContextualContainerDirective]
 {
-  max-width: 20vw;
+  max-width: 100%;
 }
 
 div[imageContainer]
@@ -63,4 +63,9 @@ mat-sidenav {
 
 .mobileMenuTabs {
   margin: 40px 0 0 5px;
-}
\ No newline at end of file
+}
+
+region-menu
+{
+  display:inline-block;
+}