diff --git a/addons/mass_mailing_themes/views/mass_mailing_themes_templates.xml b/addons/mass_mailing_themes/views/mass_mailing_themes_templates.xml
index 00403acbfcb..a3f8348e00c 100644
--- a/addons/mass_mailing_themes/views/mass_mailing_themes_templates.xml
+++ b/addons/mass_mailing_themes/views/mass_mailing_themes_templates.xml
@@ -125,16 +125,16 @@
                 </div>
             </div>
         </div>
-        <div class="s_footer_social o_mail_block_footer_social o_mail_footer_social_center o_mail_snippet_general bg-200" data-snippet="s_mail_block_footer_social" data-name="Footer Center">
+        <div class="s_footer_social o_mail_block_footer_social o_mail_footer_social_center o_mail_snippet_general bg-200 pt16 pb16" data-snippet="s_mail_block_footer_social" data-name="Footer Center">
             <div class="container">
                 <div class="row">
-                    <div class="col-lg-12 o_mail_footer_links">
+                    <div class="col-lg-12 o_mail_footer_links pt8 pb8" style="text-align: center;">
                         <a role="button" href="/unsubscribe_from_list" class="btn btn-link ">Unsubscribe</a>
                     </div>
                 </div>
                 <div class="row">
                     <div class="col-lg-12">
-                        <p class="o_mail_footer_copy">
+                        <p style="text-align: center;">
                             © <t t-out="now.strftime('%Y')" /> All Rights Reserved
                         </p>
                     </div>
@@ -291,16 +291,16 @@
         <div class="s_hr o_mail_snippet_general pt16 pb0" data-snippet="s_hr" data-name="Separator">
             <hr class="s_hr_1px s_hr_solid"/>
         </div>
-        <div class="s_footer_social o_mail_block_footer_social o_mail_footer_social_center o_mail_snippet_general" data-snippet="s_mail_block_footer_social" data-name="Footer Social Center">
+        <div class="s_footer_social o_mail_block_footer_social o_mail_footer_social_center o_mail_snippet_general pt16 pb16" data-snippet="s_mail_block_footer_social" data-name="Footer Social Center">
             <div class="container">
                 <div class="row">
-                    <div class="col-lg-12 o_mail_footer_links">
+                    <div class="col-lg-12 o_mail_footer_links pt8 pb8" style="text-align: center;">
                         <a href="/unsubscribe_from_list" class="btn btn-link"><font style="color: rgb(173, 173, 173);">Unsubscribe</font></a>
                     </div>
                 </div>
                 <div class="row">
                     <div class="col-lg-12">
-                        <p class="o_mail_footer_copy">
+                        <p style="text-align: center;">
                             © <t t-out="now.strftime('%Y')" /> All Rights Reserved
                         </p>
                     </div>
@@ -415,10 +415,10 @@
                 </div>
             </div>
         </div>
-        <div class="s_footer_social o_mail_block_footer_social o_mail_footer_social_center o_mail_snippet_general" data-snippet="s_mail_block_footer_social" data-name="Footer Center" style="background-color: rgb(36, 37, 48) !important;">
+        <div class="s_footer_social o_mail_block_footer_social o_mail_footer_social_center o_mail_snippet_general pt16 pb16" data-snippet="s_mail_block_footer_social" data-name="Footer Center" style="background-color: rgb(36, 37, 48) !important;">
             <div class="container">
                 <div class="row">
-                    <div class="col-lg-12 o_mail_footer_social" t-translation="off">
+                    <div class="col-lg-12" style="text-align: center;" t-translation="off">
                         <a aria-label="Facebook" title="Facebook" href="https://www.facebook.com/Odoo">
                             <span class="fa fa-facebook rounded-circle" style="background-color: rgb(198, 150, 120) !important; color: rgb(36, 37, 48) !important;"></span>
                         </a>&amp;nbsp;&amp;nbsp;
@@ -434,13 +434,13 @@
                     </div>
                 </div>
                 <div class="row">
-                    <div class="col-lg-12 o_mail_footer_links">
+                    <div class="col-lg-12 o_mail_footer_links pt8 pb8" style="text-align: center;">
                         <a role="button" href="/unsubscribe_from_list" class="btn btn-link">Unsubscribe</a>
                     </div>
                 </div>
                 <div class="row">
                     <div class="col-lg-12">
-                        <p class="o_mail_footer_copy">
+                        <p style="text-align: center;">
                             © <t t-out="now.strftime('%Y')" /> All Rights Reserved
                         </p>
                     </div>
@@ -602,10 +602,10 @@
         <div class="s_hr o_mail_snippet_general pt32 pb16" data-snippet="s_hr" data-name="Separator">
             <hr class="s_hr_1px s_hr_solid"/>
         </div>
-        <div class="s_footer_social o_mail_block_footer_social o_mail_footer_social_center o_mail_snippet_general" data-snippet="s_mail_block_footer_social" data-name="Footer Center">
+        <div class="s_footer_social o_mail_block_footer_social o_mail_footer_social_center o_mail_snippet_general pt16 pb16" data-snippet="s_mail_block_footer_social" data-name="Footer Center">
             <div class="container">
                 <div class="row">
-                    <div class="col-lg-12 o_mail_footer_social">
+                    <div class="col-lg-12" style="text-align: center;" t-translation="off">
                         <a aria-label="Facebook" title="Facebook" href="https://www.facebook.com/Odoo">
                             <span class="fa fa-facebook"></span>
                         </a>&amp;nbsp;&amp;nbsp;
@@ -621,13 +621,13 @@
                     </div>
                 </div>
                 <div class="row">
-                    <div class="col-lg-12 o_mail_footer_links">
-                        <a role="button" href="/unsubscribe_from_list" class="btn btn-link ">Unsubscribe</a>
+                    <div class="col-lg-12 o_mail_footer_links pt8 pb8" style="text-align: center;">
+                        <a role="button" href="/unsubscribe_from_list" class="btn btn-link">Unsubscribe</a>
                     </div>
                 </div>
                 <div class="row">
                     <div class="col-lg-12">
-                        <p class="o_mail_footer_copy">
+                        <p style="text-align: center;">
                             © <t t-out="now.strftime('%Y')" /> All Rights Reserved
                         </p>
                     </div>
@@ -704,10 +704,10 @@
                 </p>
             </div>
         </div>
-        <div class="s_footer_social o_mail_block_footer_social o_mail_footer_social_center o_mail_snippet_general bg-200" data-snippet="s_mail_block_footer_social" data-name="Footer Center">
+        <div class="s_footer_social o_mail_block_footer_social o_mail_footer_social_center o_mail_snippet_general bg-200 pt16 pb16" data-snippet="s_mail_block_footer_social" data-name="Footer Center">
             <div class="container">
                 <div class="row">
-                    <div class="col-lg-12 o_mail_footer_social" t-translation="off">
+                    <div class="col-lg-12" style="text-align: center;" t-translation="off">
                         <a aria-label="Facebook" title="Facebook" href="https://www.facebook.com/Odoo">
                             <span class="fa fa-facebook" style="color: rgb(186, 0, 19) !important;"/>​
                         </a>&amp;nbsp;&amp;nbsp;
@@ -723,12 +723,13 @@
                     </div>
                 </div>
                 <div class="row">
-                    <div class="col-lg-12 o_mail_footer_links">
-                        <a role="button" href="/unsubscribe_from_list" class="btn btn-link">Unsubscribe</a></div>
+                    <div class="col-lg-12 o_mail_footer_links pt8 pb8" style="text-align: center;">
+                        <a role="button" href="/unsubscribe_from_list" class="btn btn-link">Unsubscribe</a>
+                    </div>
                 </div>
                 <div class="row">
                     <div class="col-lg-12">
-                        <p class="o_mail_footer_copy">
+                        <p style="text-align: center;">
                             © <t t-out="now.strftime('%Y')" /> All Rights Reserved
                         </p>
                     </div>
@@ -830,7 +831,7 @@
         <div class="s_footer_social o_mail_block_footer_social o_mail_footer_social_left o_mail_snippet_general pt16 pb16" data-snippet="s_mail_block_footer_social_left" data-name="Footer Left" style="background-color: rgb(255, 187, 0) !important;">
             <div class="container">
                 <div class="row">
-                    <div class="col-lg-6 o_mail_footer_description">
+                    <div class="col-lg-6">
                         <p>
                             <span style="font-weight: bolder;">
                                 <font style="background-color: rgb(255, 255, 255); color: rgb(255, 187, 0);">SOLAR</font>
@@ -842,8 +843,8 @@
                             </a>
                         </div>
                     </div>
-                    <div class="col-lg-6" align="right">
-                        <div class="o_mail_footer_social pb16" t-translation="off">
+                    <div class="col-lg-6">
+                        <div class="pb16" style="text-align: right;" t-translation="off">
                             <a aria-label="Facebook" title="Facebook" href="https://www.facebook.com/Odoo">
                                 <span class="fa fa-facebook rounded bg-black" style="color: rgb(255, 187, 0) !important;"/>
                             </a>&amp;nbsp;&amp;nbsp;
@@ -857,7 +858,7 @@
                                 <span class="fa fa-instagram rounded bg-black" style="color: rgb(255, 187, 0) !important;"/>
                             </a>
                         </div>
-                        <p class="o_mail_footer_copy" style="text-align: right">
+                        <p style="text-align: right">
                             <font style="color: rgb(137, 101, 1);">© <t t-out="now.strftime('%Y')" /> All Rights Reserved</font>
                         </p>
                     </div>