diff --git a/src/popup/App.scss b/src/popup/App.scss
index 4eb4fa0..a4362a0 100644
--- a/src/popup/App.scss
+++ b/src/popup/App.scss
@@ -5,6 +5,7 @@
 
 body {
   box-sizing: content-box !important;
+  width: 470px;
 }
 
 .header {