diff --git a/app/styles/base.css b/app/styles/base.css
index 5489028b..8e777925 100644
--- a/app/styles/base.css
+++ b/app/styles/base.css
@@ -297,7 +297,10 @@ select:active {
 }
 
 #noVNC_fallback_error > div {
-  max-width: 90%;
+  max-width: calc(100vw - 30px - 30px);
+  max-height: calc(100vh - 30px - 30px);
+  overflow: auto;
+
   padding: 15px;
 
   transition: 0.5s ease-in-out;
@@ -336,7 +339,6 @@ select:active {
 }
 
 #noVNC_fallback_error .noVNC_stack {
-  max-height: 50vh;
   padding: 10px;
   margin: 10px;
   font-size: 0.8em;