diff --git a/index.php b/index.php
index af27628a..b2a66a4b 100644
--- a/index.php
+++ b/index.php
@@ -24,7 +24,7 @@
 ?>
 <!-- Small boxes (Stat box) -->
 <div class="row">
-    <div class="col-lg-3 col-xs-12">
+    <div class="col-lg-3 col-sm-6">
         <!-- small box -->
         <div class="small-box bg-green" id="total_queries" title="only A + AAAA queries">
             <div class="inner">
@@ -37,7 +37,7 @@
         </div>
     </div>
     <!-- ./col -->
-    <div class="col-lg-3 col-xs-12">
+    <div class="col-lg-3 col-sm-6">
         <!-- small box -->
         <div class="small-box bg-aqua">
             <div class="inner">
@@ -50,7 +50,7 @@
         </div>
     </div>
     <!-- ./col -->
-    <div class="col-lg-3 col-xs-12">
+    <div class="col-lg-3 col-sm-6">
         <!-- small box -->
         <div class="small-box bg-yellow">
             <div class="inner">
@@ -63,7 +63,7 @@
         </div>
     </div>
     <!-- ./col -->
-    <div class="col-lg-3 col-xs-12">
+    <div class="col-lg-3 col-sm-6">
         <!-- small box -->
         <div class="small-box bg-red" title="<?php echo gravity_last_update(); ?>">
             <div class="inner">