diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/installer/step1.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/installer/step1.tt
index ea7fc9b9f5..aa5a18782e 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/installer/step1.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/installer/step1.tt
@@ -24,7 +24,7 @@
 <body id="installer" class="installer">
     <div class="container-fluid">
         <div class="row">
-            <div id="installer-step1" class="installer-main col-sm-8 col-sm-offset-2 col-md-8 offset-md-2">
+            <div id="installer-step1" class="installer-main col-sm-10 col-md-8 offset-sm-1 offset-md-2">
 
                 <div id="logo"><a href="#">Koha</a></div>
 
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/installer/step2.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/installer/step2.tt
index 882db4fc23..54b981bc75 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/installer/step2.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/installer/step2.tt
@@ -13,7 +13,7 @@
 <body id="installer" class="installer">
     <div class="container-fluid">
         <div class="row">
-            <div id="installer-step2" class="installer-main col-sm-8 col-sm-offset-2 col-md-8 offset-md-2">
+            <div id="installer-step2" class="installer-main col-sm-10 col-md-8 offset-sm-1 offset-md-2">
 
 
                 <div id="logo"><a href="#">Koha</a></div>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/installer/step3.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/installer/step3.tt
index 6590b93e7e..63b2ba19b6 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/installer/step3.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/installer/step3.tt
@@ -45,7 +45,7 @@
 <body id="installer" class="installer">
     <div class="container-fluid">
         <div class="row">
-            <div id="installer-step3" class="installer-main col-sm-8 col-sm-offset-2 col-md-8 offset-md-2">
+            <div id="installer-step3" class="installer-main col-sm-10 col-md-8 offset-sm-1 offset-md-2">
                 <div id="logo"><a href="#">Koha</a></div>
                 [% IF ( finish ) %]
                     <h1>Web installer &rsaquo; Installation complete</h1>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep1.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep1.tt
index 000f75ab43..b06865071b 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep1.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep1.tt
@@ -13,7 +13,7 @@
 <body id="installer" class="installer">
     <div class="container-fluid">
         <div class="row">
-            <div id="onboarding-step1" class="installer-main col-sm-8 col-sm-offset-2 col-md-8 offset-md-2">
+            <div id="onboarding-step1" class="installer-main col-sm-10 col-md-8 offset-sm-1 offset-md-2">
                 <div id="logo"><a href="#">Koha</a></div>
                 <h1>Web installer &rsaquo; Create a library</h1>
 
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep2.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep2.tt
index 205ad99745..59bf61bcd3 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep2.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep2.tt
@@ -22,7 +22,7 @@
 <body id="installer" class="installer">
     <div class="container-fluid">
         <div class="row">
-            <div id="onboarding-step2" class="installer-main col-sm-8 col-sm-offset-2 col-md-8 offset-md-2">
+            <div id="onboarding-step2" class="installer-main col-sm-10 col-md-8 offset-sm-1 offset-md-2">
                 <div id="logo"><a href="#">Koha</a></div>
 
                 <h1>Web installer &rsaquo; Create a patron category</h1>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep3.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep3.tt
index 40b041cc23..ad400a8c16 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep3.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep3.tt
@@ -14,7 +14,7 @@
 <body id="installer" class="installer">
     <div class="container-fluid">
         <div class="row">
-            <div id="onboarding-step3" class="installer-main col-sm-8 col-sm-offset-2 col-md-8 offset-md-2">
+            <div id="onboarding-step3" class="installer-main col-sm-10 col-md-8 offset-sm-1 offset-md-2">
                 <div id="logo"><a href="#">Koha</a></div>
                 <h1>Web installer &rsaquo; Create Koha administrator patron</h1>
 
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep4.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep4.tt
index 2e059abbb0..d379e295df 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep4.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep4.tt
@@ -12,7 +12,7 @@
 <body id="installer" class="installer">
     <div class="container-fluid">
         <div class="row">
-            <div id="onboarding-step4" class="installer-main col-sm-8 col-sm-offset-2 col-md-8 offset-md-2">
+            <div id="onboarding-step4" class="installer-main col-sm-10 col-md-8 offset-sm-1 offset-md-2">
                 <div id="logo"><a href="#">Koha</a></div>
                 <h1>Web installer &rsaquo; Create a new item type</h1>
 
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep5.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep5.tt
index ca4fc33324..e3ccac8d73 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep5.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/onboarding/onboardingstep5.tt
@@ -16,7 +16,7 @@
 <body id="installer" class="installer">
     <div class="container-fluid">
         <div class="row">
-            <div id="onboarding-step5" class="installer-main col-sm-8 col-sm-offset-2 col-md-8 offset-md-2">
+            <div id="onboarding-step5" class="installer-main col-sm-10 col-md-8 offset-sm-1 offset-md-2">
                 <div id="logo"><a href="#">Koha</a></div>
 
                 [% IF all_done %]