diff --git a/src/App.css b/src/App.css
index 7a911af..4c9c728 100644
--- a/src/App.css
+++ b/src/App.css
@@ -21,5 +21,6 @@
 }
 
 .AppContent {
+  height: calc(100% - 36px);
   box-sizing: border-box;
 }
\ No newline at end of file
diff --git a/src/App.js b/src/App.js
index 5e1df02..e860e7b 100644
--- a/src/App.js
+++ b/src/App.js
@@ -134,7 +134,7 @@ class App extends IPCContainer {
     let mainContent = [];
     if (this.props.DisplaySelectAppPlatform || !this.props.AppReady) {
       mainContent = (
-        <Box>
+        <Box dxStyle={{height: '100%'}}>
           <Loading/>
         </Box>);
     } else {