diff --git a/web/index.css b/web/index.css
index 98a8b4e..e5f5994 100644
--- a/web/index.css
+++ b/web/index.css
@@ -56,6 +56,8 @@ body {
 }
 #svg {
     position: absolute;
+    left: 0;
+    right: 0;
     top: 50%;
     margin-top: -200px;
 }