diff --git a/furumi-node-player/client/src/index.css b/furumi-node-player/client/src/index.css
index 8214183..ebf9a85 100644
--- a/furumi-node-player/client/src/index.css
+++ b/furumi-node-player/client/src/index.css
@@ -1,3 +1,8 @@
+html,
+body {
+  height: 100%;
+}
+
 body {
   margin: 0;
   font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
@@ -5,6 +10,10 @@ body {
   background-color: #f3f6fb;
 }
 
+#root {
+  height: 100%;
+}
+
 * {
   box-sizing: border-box;
 }