diff --git a/src/styles.css b/src/styles.css
index f8a374e..07f7621 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -29,7 +29,7 @@ html, body {
   background: transparent;
 }
 
-/* Main App Container - 16:9 aspect ratio for TV */
+/* Main App Container - fills viewport accounting for browser chrome */
 #app {
   width: 100%;
   height: 100%;
@@ -40,11 +40,10 @@ html, body {
 }
 
 #app > * {
-  aspect-ratio: 16 / 9;
+  width: 100%;
+  height: calc(100vh - 100px);
+  max-width: 100%;
   max-height: calc(100vh - 100px);
-  max-width: 100vw;
-  width: auto;
-  height: auto;
   min-width: 0;
   min-height: 0;
 }