diff --git a/index.html b/index.html
index b5f0682..537f8f4 100644
--- a/index.html
+++ b/index.html
@@ -492,9 +492,11 @@ <h2 class="subtitle"  style="text-align:center;">
 </div>
 
 
-<!-- data analysis. -->
 <div class="columns is-centered has-text-centered">
   <div class="column is-four-fifths">
+<!-- data analysis. -->
+<!-- <div class="columns is-centered has-text-centered">
+  <div class="column is-four-fifths"> -->
     <h2 class="title is-3">Automatic Metrics</h2>
 
 <!-- data statistics -->
@@ -533,7 +535,9 @@ <h3 class="subtitle" style="text-align:center; font-size: 16px;">
   Please refer to our paper for the formal mathematical definitions of these metrics.
 </p>
 <!-- </div> -->
-
+</div>
+</div>
+</div>
 
 
 
@@ -666,8 +670,9 @@ <h3 class="subtitle" style="text-align:center; font-size: 16px;">
 
 
 
-<section class="section">
-  <div class="container is-max-desktop">
+
+<!-- <section class="section">
+  <div class="container is-max-desktop"> -->