diff --git a/app_account_account_chart/static/description/index.html b/app_account_account_chart/static/description/index.html
index ff165b27..957275bd 100644
--- a/app_account_account_chart/static/description/index.html
+++ b/app_account_account_chart/static/description/index.html
@@ -48,7 +48,7 @@
                 in odoo Store. Get free 5 related free apps.
             </a>
         </h1>
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
 
diff --git a/app_account_searchpanel/static/description/index.html b/app_account_searchpanel/static/description/index.html
index 797456bc..78be387f 100644
--- a/app_account_searchpanel/static/description/index.html
+++ b/app_account_searchpanel/static/description/index.html
@@ -5,7 +5,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
         <h3 class="oe_slogan">Advance Search, Advance Filter with Parent Children Tree.</h3>
diff --git a/app_account_superbar/static/description/index.html b/app_account_superbar/static/description/index.html
index 20b9e6e4..0769e2e5 100644
--- a/app_account_superbar/static/description/index.html
+++ b/app_account_superbar/static/description/index.html
@@ -15,7 +15,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.png">
         </div>
         <div class="oe_span12 oe_spaced">
diff --git a/app_account_superbar_chinese/static/description/index.html b/app_account_superbar_chinese/static/description/index.html
index 20b9e6e4..0769e2e5 100644
--- a/app_account_superbar_chinese/static/description/index.html
+++ b/app_account_superbar_chinese/static/description/index.html
@@ -15,7 +15,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.png">
         </div>
         <div class="oe_span12 oe_spaced">
diff --git a/app_base_chinese/static/description/index.html b/app_base_chinese/static/description/index.html
index 5fd411e2..75e6eff3 100644
--- a/app_base_chinese/static/description/index.html
+++ b/app_base_chinese/static/description/index.html
@@ -5,8 +5,8 @@
             <h3 class="oe_slogan">Set all chinese default value. Like Default country, timezone, currency, partner... </h3>
             <div class="oe_row">
                 <h3>Lastest update: v12.19.3.04</h3>
-                <div class="oe_span12">
-                    <img class="oe_demo oe_screenshot" src="banner.jpg">
+                <div class="oe_demo">
+            <img class="oe_demo oe_screenshot" src="banner.jpg">
                 </div>
                 <div class="oe_span12 oe_spaced">
                     <div class="alert alert-info" style="padding:8px;font-weight: 300; font-size: 20px;">
@@ -31,8 +31,8 @@
                         </ul>
                     </div>
                 </div>
-                <div class="oe_span12">
-                    <img class="oe_demo oe_screenshot" src="cnreadme.jpg">
+                <div class="oe_demo">
+            <img class="oe_demo oe_screenshot" src="cnreadme.jpg">
                 </div>
             </div>
         </div>
diff --git a/app_base_superbar/static/description/index.html b/app_base_superbar/static/description/index.html
index 33e11958..34dac0f3 100644
--- a/app_base_superbar/static/description/index.html
+++ b/app_base_superbar/static/description/index.html
@@ -47,7 +47,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
         <h3 class="oe_slogan">Advance Search, Advance Filter with Parent Children Tree.</h3>
diff --git a/app_company_chart_hierarchy/static/description/index.html b/app_company_chart_hierarchy/static/description/index.html
index 53e12c2f..520bbe93 100644
--- a/app_company_chart_hierarchy/static/description/index.html
+++ b/app_company_chart_hierarchy/static/description/index.html
@@ -52,7 +52,7 @@
                 in odoo Store. Get free 6 related free apps.
             </a>
         </h1>
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
 
diff --git a/app_contacts_searchpanel/static/description/index.html b/app_contacts_searchpanel/static/description/index.html
index 83bbfc87..2681d246 100644
--- a/app_contacts_searchpanel/static/description/index.html
+++ b/app_contacts_searchpanel/static/description/index.html
@@ -5,7 +5,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
         <h3 class="oe_slogan">Advance Search, Advance Filter with Parent Children Tree.</h3>
diff --git a/app_contacts_superbar/static/description/index.html b/app_contacts_superbar/static/description/index.html
index 632d4df3..0d87c6e5 100644
--- a/app_contacts_superbar/static/description/index.html
+++ b/app_contacts_superbar/static/description/index.html
@@ -15,7 +15,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.png">
         </div>
         <div class="oe_span12 oe_spaced">
diff --git a/app_crm_superbar/static/description/index.html b/app_crm_superbar/static/description/index.html
index 26e405c2..9ec6b09a 100644
--- a/app_crm_superbar/static/description/index.html
+++ b/app_crm_superbar/static/description/index.html
@@ -15,7 +15,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.png">
         </div>
         <div class="oe_span12 oe_spaced">
diff --git a/app_hr_department_chart/static/description/index.html b/app_hr_department_chart/static/description/index.html
index 071b75e5..5bd42d48 100644
--- a/app_hr_department_chart/static/description/index.html
+++ b/app_hr_department_chart/static/description/index.html
@@ -48,7 +48,7 @@
                 in odoo Store. Get free 5 related free apps.
             </a>
         </h1>
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
 
diff --git a/app_hr_searchpanel/static/description/index.html b/app_hr_searchpanel/static/description/index.html
index 5fa430e1..003238b7 100644
--- a/app_hr_searchpanel/static/description/index.html
+++ b/app_hr_searchpanel/static/description/index.html
@@ -5,7 +5,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
         <h3 class="oe_slogan">Advance Search, Advance Filter with Parent Children Tree.</h3>
diff --git a/app_hr_superbar/static/description/index.html b/app_hr_superbar/static/description/index.html
index 12855cfe..a81e3ed9 100644
--- a/app_hr_superbar/static/description/index.html
+++ b/app_hr_superbar/static/description/index.html
@@ -5,7 +5,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="hr2.gif">
         </div>
         <h1 class="text-center text-warning">!This moduld Do Need extra paid Apps
diff --git a/app_mail_superbar/static/description/index.html b/app_mail_superbar/static/description/index.html
index e5aea741..926b4942 100644
--- a/app_mail_superbar/static/description/index.html
+++ b/app_mail_superbar/static/description/index.html
@@ -33,7 +33,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="http://www.odoo.com/apps/modules/12.0/app_web_superbar/superbar.gif">
         </div>
         <h3 class="oe_slogan">Advance Search, Advance Filter with Parent Children Tree.</h3>
diff --git a/app_module_searchpanel/static/description/index.html b/app_module_searchpanel/static/description/index.html
index 39cce349..2dd3902a 100644
--- a/app_module_searchpanel/static/description/index.html
+++ b/app_module_searchpanel/static/description/index.html
@@ -5,7 +5,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
         <h3 class="oe_slogan">Advance Search, Advance Filter with Parent Children Tree.</h3>
diff --git a/app_module_superbar/static/description/index.html b/app_module_superbar/static/description/index.html
index 37c7d008..b1f47ced 100644
--- a/app_module_superbar/static/description/index.html
+++ b/app_module_superbar/static/description/index.html
@@ -24,7 +24,7 @@
                         <a href="http://demo.odooapp.cn/web?#action=263&model=sale.order&view_type=list&menu_id=141" target="_blank">
                         <i class="fa fa-arrow-right text-warning"></i>Click to get demo.
                         </a> </h2>
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
         <div class="oe_span12 oe_spaced">
diff --git a/app_mrp_production_chart/static/description/index.html b/app_mrp_production_chart/static/description/index.html
index 1d7eb980..8f02c4aa 100644
--- a/app_mrp_production_chart/static/description/index.html
+++ b/app_mrp_production_chart/static/description/index.html
@@ -3,7 +3,7 @@
         <h2 class="oe_slogan" style="color:#875A7B;">MRP Production Chart Hierarchy, For Multi level MO MRP Production Order from multi bom.</h2>
         <h3 class="oe_slogan">Very useful for show parent child relationship, like product category, stock location, hr department</h3>
     </div>
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
 
diff --git a/app_mrp_superbar/static/description/index.html b/app_mrp_superbar/static/description/index.html
index 75e33b20..6e5e97d3 100644
--- a/app_mrp_superbar/static/description/index.html
+++ b/app_mrp_superbar/static/description/index.html
@@ -5,7 +5,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="mrp1.gif">
         </div>
         <h3 class="oe_slogan">Advance Search, Advance Filter with Parent Children Tree.</h3>
diff --git a/app_pos_superbar/static/description/index.html b/app_pos_superbar/static/description/index.html
index a05f92a6..5a501a28 100644
--- a/app_pos_superbar/static/description/index.html
+++ b/app_pos_superbar/static/description/index.html
@@ -5,7 +5,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
         <h3 class="oe_slogan">Advance Search, Advance Filter with Parent Children Tree.</h3>
diff --git a/app_product_category_chart/static/description/index.html b/app_product_category_chart/static/description/index.html
index bd35f988..3d948da0 100644
--- a/app_product_category_chart/static/description/index.html
+++ b/app_product_category_chart/static/description/index.html
@@ -48,7 +48,7 @@
                 in odoo Store. Get free 5 related free apps.
             </a>
         </h1>
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
 
diff --git a/app_product_searchpanel/static/description/index.html b/app_product_searchpanel/static/description/index.html
index b5bb839b..6a3273c6 100644
--- a/app_product_searchpanel/static/description/index.html
+++ b/app_product_searchpanel/static/description/index.html
@@ -5,7 +5,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
         <h3 class="oe_slogan">Advance Search, Advance Filter with Parent Children Tree.</h3>
diff --git a/app_product_superbar/static/description/index.html b/app_product_superbar/static/description/index.html
index b35dbae2..ae4d3dd1 100644
--- a/app_product_superbar/static/description/index.html
+++ b/app_product_superbar/static/description/index.html
@@ -5,7 +5,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
         <h3 class="oe_slogan">Advance Search, Advance Filter with Parent Children Tree.</h3>
diff --git a/app_product_variant_color/static/description/index.html b/app_product_variant_color/static/description/index.html
index a90ba7a2..8b6c01f1 100644
--- a/app_product_variant_color/static/description/index.html
+++ b/app_product_variant_color/static/description/index.html
@@ -9,8 +9,8 @@
         <i class="fa fa-download text-warning"></i>Click to download.
         </a> </h1>
             <div class="oe_row">
-                <div class="oe_span12">
-                    <img class="oe_demo oe_screenshot" src="banner.png">
+                <div class="oe_demo">
+            <img class="oe_demo oe_screenshot" src="banner.png">
                 </div>
                 <div class="oe_span12 oe_spaced">
                     <div class="alert alert-info" style="padding:8px;font-weight: 300; font-size: 20px;">
diff --git a/app_purchase_searchpanel/static/description/index.html b/app_purchase_searchpanel/static/description/index.html
index 98fe5278..4669ffb3 100644
--- a/app_purchase_searchpanel/static/description/index.html
+++ b/app_purchase_searchpanel/static/description/index.html
@@ -5,7 +5,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
         <h3 class="oe_slogan">Advance Search, Advance Filter with Parent Children Tree.</h3>
diff --git a/app_purchase_superbar/static/description/index.html b/app_purchase_superbar/static/description/index.html
index 493f5ff6..ab208244 100644
--- a/app_purchase_superbar/static/description/index.html
+++ b/app_purchase_superbar/static/description/index.html
@@ -15,7 +15,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.png">
         </div>
         <div class="oe_span12 oe_spaced">
diff --git a/app_sale_searchpanel/static/description/index.html b/app_sale_searchpanel/static/description/index.html
index ee16f309..72570c04 100644
--- a/app_sale_searchpanel/static/description/index.html
+++ b/app_sale_searchpanel/static/description/index.html
@@ -5,7 +5,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
         <h3 class="oe_slogan">Advance Search, Advance Filter with Parent Children Tree.</h3>
diff --git a/app_sale_superbar/static/description/index.html b/app_sale_superbar/static/description/index.html
index 29009c7c..ac479835 100644
--- a/app_sale_superbar/static/description/index.html
+++ b/app_sale_superbar/static/description/index.html
@@ -15,7 +15,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.png">
         </div>
         <div class="oe_span12 oe_spaced">
diff --git a/app_stock_location_chart/static/description/index.html b/app_stock_location_chart/static/description/index.html
index 89e49ec8..8f62036a 100644
--- a/app_stock_location_chart/static/description/index.html
+++ b/app_stock_location_chart/static/description/index.html
@@ -48,7 +48,7 @@
                 in odoo Store. Get free 5 related free apps.
             </a>
         </h1>
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
 
diff --git a/app_stock_searchpanel/static/description/index.html b/app_stock_searchpanel/static/description/index.html
index 96251fdb..e0d37817 100644
--- a/app_stock_searchpanel/static/description/index.html
+++ b/app_stock_searchpanel/static/description/index.html
@@ -5,7 +5,7 @@
 </section>
 <section class="oe_container">
     <div class="oe_row">
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
         <h3 class="oe_slogan">Advance Search, Advance Filter with Parent Children Tree.</h3>
diff --git a/app_users_chart_hierarchy/static/description/index.html b/app_users_chart_hierarchy/static/description/index.html
index 0a29a582..852b633e 100644
--- a/app_users_chart_hierarchy/static/description/index.html
+++ b/app_users_chart_hierarchy/static/description/index.html
@@ -48,7 +48,7 @@
                 in odoo Store. Get free 5 related free apps.
             </a>
         </h1>
-        <div class="oe_span12">
+        <div class="oe_demo">
             <img class="oe_demo oe_screenshot" src="banner.gif">
         </div>
 
diff --git a/aps/static/description/index.html b/aps/static/description/index.html
index d5d85a71..5c065474 100644
--- a/aps/static/description/index.html
+++ b/aps/static/description/index.html
@@ -5,8 +5,8 @@
             <h3 class="oe_slogan">Advanced planning and scheduling. Release soon</h3>
             <div class="oe_row">
                 <h3>Lastest update: v12.19.02.15</h3>
-                <div class="oe_span12">
-                    <img class="oe_demo  oe_screenshot"  style="max-height: 100%;" src="banner.png">
+                <div class="oe_demo">
+            <img class="oe_demo  oe_screenshot"  style="max-height: 100%;" src="banner.png">
                 </div>
                 <div class="oe_span12 oe_spaced">
                     <div class="alert alert-info" style="padding:8px;font-weight: 300; font-size: 20px;">
diff --git a/l10n_cn_standard_lastest/static/description/index.html b/l10n_cn_standard_lastest/static/description/index.html
index 1b3b28d6..6c4763fd 100644
--- a/l10n_cn_standard_lastest/static/description/index.html
+++ b/l10n_cn_standard_lastest/static/description/index.html
@@ -5,8 +5,8 @@
             <h3 class="oe_slogan">Set all chinese default value. Like Default country, timezone, currency, partner... </h3>
             <div class="oe_row">
                 <h3>Lastest update: v12.19.04.23</h3>
-                <div class="oe_span12">
-                    <img class="oe_demo oe_screenshot" src="banner.png">
+                <div class="oe_demo">
+            <img class="oe_demo oe_screenshot" src="banner.png">
                 </div>
                 <div class="oe_span12 oe_spaced">
                     <div class="alert alert-info" style="padding:8px;font-weight: 300; font-size: 20px;">
@@ -20,12 +20,12 @@
                     </div>
                 </div>
                 <h3 class="oe_slogan">Use super, easy to navigate account data.</h3>
-                <div class="oe_span12">
-                    <img class="oe_demo oe_screenshot" src="superbar1.png">
+                <div class="oe_demo">
+            <img class="oe_demo oe_screenshot" src="superbar1.png">
                 </div>
                 <h3 class="oe_slogan">How to use</h3>
-                <div class="oe_span12">
-                    <img class="oe_demo oe_screenshot" src="cnreadme.png">
+                <div class="oe_demo">
+            <img class="oe_demo oe_screenshot" src="cnreadme.png">
                 </div>
             </div>
         </div>
diff --git a/l10n_cn_standard_latest/static/description/index.html b/l10n_cn_standard_latest/static/description/index.html
index 1538ce3c..56fd25e7 100644
--- a/l10n_cn_standard_latest/static/description/index.html
+++ b/l10n_cn_standard_latest/static/description/index.html
@@ -5,8 +5,8 @@
             <h3 class="oe_slogan">Set all chinese default value. Like Default country, timezone, currency, partner... </h3>
             <div class="oe_row">
                 <h3>Lastest update: v12.19.11.13</h3>
-                <div class="oe_span12">
-                    <img class="oe_demo oe_screenshot" src="banner.png">
+                <div class="oe_demo">
+            <img class="oe_demo oe_screenshot" src="banner.png">
                 </div>
                 <div class="oe_span12 oe_spaced">
                     <div class="alert alert-info" style="padding:8px;font-weight: 300; font-size: 20px;">
@@ -20,12 +20,12 @@
                     </div>
                 </div>
                 <h3 class="oe_slogan">Use super, easy to navigate account data.</h3>
-                <div class="oe_span12">
-                    <img class="oe_demo oe_screenshot" src="superbar1.png">
+                <div class="oe_demo">
+            <img class="oe_demo oe_screenshot" src="superbar1.png">
                 </div>
                 <h3 class="oe_slogan">How to use</h3>
-                <div class="oe_span12">
-                    <img class="oe_demo oe_screenshot" src="cnreadme.png">
+                <div class="oe_demo">
+            <img class="oe_demo oe_screenshot" src="cnreadme.png">
                 </div>
             </div>
         </div>