diff --git a/public/index.html b/public/index.html
index 820b6ff76dd105300f2b1896bd7fdbfa369aa481..bef4e3109f394bae549eb44c7cd963a95df05dab 100644
--- a/public/index.html
+++ b/public/index.html
@@ -35,8 +35,8 @@
 
     <style>
         canvas {
-            width: 75%;
-            height: 25%;
+            width: 100%;
+            height: 100%;
             padding-left: 0;
             padding-right: 0;
             margin-top: 20px;