diff --git a/2020-Silk-Reroad/yousan.css b/2020-Silk-Reroad/yousan.css
index 9d99d36..9af387a 100644
--- a/2020-Silk-Reroad/yousan.css
+++ b/2020-Silk-Reroad/yousan.css
@@ -57,7 +57,7 @@
 .box {
    width: 100%;
     height: 700px;
-    margin-top: 600px;
+    margin-top: 500px;
     padding: 10px;
     border: 1px solid black;
     background-color: lightgray;