diff --git a/src/index.html b/src/index.html
index 0954883..7a7749f 100644
--- a/src/index.html
+++ b/src/index.html
@@ -8,7 +8,7 @@
   </head>
   <body>
     <section>
-      <div class="p-5 mb-4" style="background-color: #ebf0f1;">
+      <div class="p-5 mb-4" style="background-color: #f5f5f7;">
         <div class="container">
           <div class="row">
             <div class="col-12 text-center">
@@ -202,7 +202,7 @@ <h2 class="fs-3">Visualization of Generated and Real Trajectories with Identical
             <div class="col-12 text-center">
               <h2 class="fs-3">Citation</h2>
               <hr class="mt-0">
-<pre class="text-start p-4" style="background-color: #e9eeef;">
+<pre class="text-start p-4" style="background-color: #f5f5f7;">
 <code>@inproceedings{cao2025hoser,
   title={Holistic Semantic Representation for Navigational Trajectory Generation},
   author={Cao, Ji and Zheng, Tongya and Guo, Qinghong and Wang, Yu and Dai, Junshu and Liu, Shunyu and Yang, Jie and Song, Jie and Song, Mingli},
