diff --git a/static/table.css b/static/table.css
index 5877659..a7d1560 100644
--- a/static/table.css
+++ b/static/table.css
@@ -15,6 +15,7 @@ body {
 }
 
 .header {
+    margin: 0 auto;
     text-align: center;
     font-weight: bold;
     font-size: larger;
@@ -84,4 +85,4 @@ table tr td:nth-child(8) {
 
 table tr td:nth-child(9) {
     font-family: 'Noto Serif', SimSun, 'Times New Roman', Times, serif;
-}
\ No newline at end of file
+}