diff --git a/demo/main.css b/demo/main.css
index 88ff043..a966d2a 100644
--- a/demo/main.css
+++ b/demo/main.css
@@ -13,7 +13,7 @@ pre {background-color: #fafafa;padding: 20px;overflow: auto;border: 1px solid #f
 .download_button:hover {background-color: #eaeaea;}
 
 table {width: 100%;text-align: center;border: 0;border-collapse: collapse;border-spacing: 0;font-size: 14px;}
-table td {padding: 10px;margin: 0;}
+table td, table th {padding: 10px;margin: 0;}
 table thead {background-color: #bbb;color: #fff;font-weight: 800;}
 table tbody tr td{border-bottom: 1px solid #eee;}
 table tbody tr:hover td{background-color: #eee;}
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