diff --git a/notsupported.html b/notsupported.html
index b66f8da..6312737 100644
--- a/notsupported.html
+++ b/notsupported.html
@@ -2,7 +2,7 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8">
-    <title>Euphony</title>
+    <title>Euphony by qiao</title>
     <style type="text/css">
       body {
         background: #222;
@@ -14,7 +14,7 @@
 
       #webgl-error-message {
         position: absolute;
-        left: 50%;
+        left: 50
         width: 500px;
         text-align: center;
         margin-left: -250px;
