diff --git a/install/core/tpl/header.tpl b/install/core/tpl/header.tpl
index cf97a6dc9b..9e779fddb8 100644
--- a/install/core/tpl/header.tpl
+++ b/install/core/tpl/header.tpl
@@ -1,10 +1,10 @@
 <div class="panel-heading main-header">
     <img src="../client/img/logo.png">
 </div>
-<header class="panel-heading">
+<header class="step-header">
     <div class="row">
         <div class="col-md-10">
-            <h4 class="panel-title">
+            <h4>
                 {$langs['labels']["{$action} page title"]}
             </h4>
         </div>
@@ -12,4 +12,4 @@
             {$langs['labels']['Version']} {$version}
         </div>
     </div>
-</header>
\ No newline at end of file
+</header>
diff --git a/install/entry.php b/install/entry.php
index a4d374b2b2..619cfb685d 100644
--- a/install/entry.php
+++ b/install/entry.php
@@ -193,7 +193,7 @@ $smarty->assign('action', ucfirst($action));
 $smarty->assign('config', $config);
 $smarty->assign('installerConfig', $installer->getInstallerConfigData());
 
-$theme = $_SESSION['install']['theme'] ?? 'HazyblueVertical';
+$theme = $_SESSION['install']['theme'] ?? 'Espo';
 $stylesheet = $installer->getMetadata()->get(['themes', $theme, 'stylesheet']);
 
 $smarty->assign('stylesheet', $stylesheet);
diff --git a/public/install/css/install.css b/public/install/css/install.css
index fb5eaf9ede..9a47fe62b6 100644
--- a/public/install/css/install.css
+++ b/public/install/css/install.css
@@ -144,7 +144,15 @@ span.ok {
 
 .main-header.panel-heading {
     background-color: var(--navbar-inverse-bg) !important;
-    padding: 0px 2px;
+    padding: 0 2px;
+}
+
+header.step-header {
+    padding: 10px 14px;
+}
+
+header.step-header h4 {
+    margin-top: 0;
 }
 
 .panel .modal-footer {