diff --git a/web/skins/classic/css/base/skin.css b/web/skins/classic/css/base/skin.css
index 0920ac2c3..a3ef3b2ce 100644
--- a/web/skins/classic/css/base/skin.css
+++ b/web/skins/classic/css/base/skin.css
@@ -736,3 +736,13 @@ a.flip {
 #objdetectModal .modal-content {
     width: fit-content;
 }
+
+#modalLogout .modal-dialog {
+  height: 100%;
+}
+#modalLogout .modal-content {
+  height: 90%;
+}
+#modalLogout .modal-body {
+  overflow:auto;
+}