diff --git a/css/setup.css b/css/setup.css
index 570adfbcb..d44164fe3 100644
--- a/css/setup.css
+++ b/css/setup.css
@@ -17374,6 +17374,8 @@ body {
   margin-top: 10px;
 }
 #ibo_setup_container .ibo-setup--body {
+  display: flex;
+  flex-direction: column;
   background-color: #fff;
   padding: 20px;
   border: 3px solid #ccd4db;
diff --git a/css/setup.scss b/css/setup.scss
index 7b21f4c13..2b2324276 100644
--- a/css/setup.scss
+++ b/css/setup.scss
@@ -379,6 +379,8 @@ body {
   }
 
   .ibo-setup--body {
+    display: flex;
+    flex-direction: column;
     background-color: #fff;
     padding: 20px;
     border: 3px solid $content-border-color;
diff --git a/setup/wizardsteps.class.inc.php b/setup/wizardsteps.class.inc.php
index ca5179940..3294542c2 100644
--- a/setup/wizardsteps.class.inc.php
+++ b/setup/wizardsteps.class.inc.php
@@ -2615,10 +2615,10 @@ class WizStepDone extends WizardStep
 			");
 		}
 
-		$sForm = '<form method="post" action="'.$this->oWizard->GetParameter('application_url').'pages/UI.php">';
+		$sForm = '<form method="post" class="ibo-setup--enter-itop" action="'.$this->oWizard->GetParameter('application_url').'pages/UI.php">';
 		$sForm .= '<input type="hidden" name="auth_user" value="'.htmlentities($this->oWizard->GetParameter('admin_user'), ENT_QUOTES, 'UTF-8').'">';
 		$sForm .= '<input type="hidden" name="auth_pwd" value="'.htmlentities($this->oWizard->GetParameter('admin_pwd'), ENT_QUOTES, 'UTF-8').'">';
-		$sForm .= "<p style=\"text-align:center;width:100%\"><button id=\"enter_itop\" type=\"submit\">Enter ".ITOP_APPLICATION."</button></p>";
+		$sForm .= "<p style=\"text-align:center;width:100%\"><button id=\"enter_itop\" class=\"ibo-button ibo-is-regular ibo-is-primary\" type=\"submit\">Enter ".ITOP_APPLICATION."</button></p>";
 		$sForm .= '</form>';
 		$sPHPVersion = phpversion();
 		$sMySQLVersion = SetupUtils::GetMySQLVersion(