diff --git a/auth/assets/templates/authorized-clients.html.tpl b/auth/assets/templates/authorized-clients.html.tpl
index f63c3a003..6c538da95 100644
--- a/auth/assets/templates/authorized-clients.html.tpl
+++ b/auth/assets/templates/authorized-clients.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl" set . "activeNav" "clients" }}
 <div class="card-body p-0">
-    <h4 class="card-title p-3 border-bottom">Authorized clients</h4>
+    <h1 class="h4 card-title p-3 border-bottom">Authorized clients</h1>
 	<form
 		method="POST"
 		class="clearfix"
diff --git a/auth/assets/templates/change-password.html.tpl b/auth/assets/templates/change-password.html.tpl
index 5d59c460c..b918cc9e0 100644
--- a/auth/assets/templates/change-password.html.tpl
+++ b/auth/assets/templates/change-password.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl" set . "activeNav" "security" }}
 <div class="card-body p-0">
-	<h4 class="card-title p-3 border-bottom">Change your password</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Change your password</h1>
 	<form
 		method="POST"
 		action="{{ links.ChangePassword }}"
diff --git a/auth/assets/templates/error-internal.html.tpl b/auth/assets/templates/error-internal.html.tpl
index 21207f511..18c028897 100644
--- a/auth/assets/templates/error-internal.html.tpl
+++ b/auth/assets/templates/error-internal.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl" . }}
 <div class="card-body p-0">
-	<h4 class="card-title p-3 border-bottom">Internal error</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Internal error</h1>
 	<div class="text-danger mb-4 font-weight-bold p-3" role="alert">
 		{{ .error }}
 	</div>
diff --git a/auth/assets/templates/inc_nav.html.tpl b/auth/assets/templates/inc_nav.html.tpl
index 3b6f63b47..28c1d2053 100644
--- a/auth/assets/templates/inc_nav.html.tpl
+++ b/auth/assets/templates/inc_nav.html.tpl
@@ -1,7 +1,7 @@
 <div class="card-header border-0 p-0">
     <div class="text-center w-100">
         <a href="{{ links.Profile }}">
-            <img class="logo m-3" src="{{ links.Assets }}/logo.png">
+            <img class="logo m-3" alt="Company logo" src="{{ links.Assets }}/logo.png">
         </a>
     </div>
 
diff --git a/auth/assets/templates/login.html.tpl b/auth/assets/templates/login.html.tpl
index 77ddb8c56..f8498ebd2 100644
--- a/auth/assets/templates/login.html.tpl
+++ b/auth/assets/templates/login.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl" . }}
 <div class="card-body p-0">
-	<h4 class="card-title p-3 border-bottom">Log in</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Log in</h1>
 	{{ if .settings.LocalEnabled }}
 	<form
 		method="POST"
diff --git a/auth/assets/templates/mfa-totp-disable.html.tpl b/auth/assets/templates/mfa-totp-disable.html.tpl
index 557c63659..279570b47 100644
--- a/auth/assets/templates/mfa-totp-disable.html.tpl
+++ b/auth/assets/templates/mfa-totp-disable.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl"  set . "hideNav" true }}
 <div class="card-body p-0">
-	<h4 class="card-title p-3 border-bottom">Disable two-factor authentication with TOTP</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Disable two-factor authentication with TOTP</h1>
 
 	<form
 		class="p-3"
diff --git a/auth/assets/templates/mfa-totp.html.tpl b/auth/assets/templates/mfa-totp.html.tpl
index 20adaf09a..687c9dd02 100644
--- a/auth/assets/templates/mfa-totp.html.tpl
+++ b/auth/assets/templates/mfa-totp.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl"  set . "hideNav" true }}
 <div class="card-body p-0">
-	<h4 class="card-title p-3 border-bottom">Configure two-factor authentication with TOTP</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Configure two-factor authentication with TOTP</h1>
 
 	{{ if .enforced }}
 	<p class="p-3 text-danger mb-0 font-weight-bold">
diff --git a/auth/assets/templates/mfa.html.tpl b/auth/assets/templates/mfa.html.tpl
index 71b4b7bf6..0d7afe7e1 100644
--- a/auth/assets/templates/mfa.html.tpl
+++ b/auth/assets/templates/mfa.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl" set . "hideNav" true }}
 <div class="card-body p-0 mb-2">
-	<h4 class="card-title p-3 border-bottom">Multi-factor authentication</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Multi-factor authentication</h1>
 
 	{{ if .emailOtpPending }}
 	<form
diff --git a/auth/assets/templates/oauth2-authorize-client.html.tpl b/auth/assets/templates/oauth2-authorize-client.html.tpl
index 93b0375c4..39bffbe30 100644
--- a/auth/assets/templates/oauth2-authorize-client.html.tpl
+++ b/auth/assets/templates/oauth2-authorize-client.html.tpl
@@ -7,7 +7,7 @@
 	</div>
 	{{ end }}
 
-	<h4 class="card-title p-3 border-bottom">Authorize "{{ coalesce .client.Name }}"</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Authorize "{{ coalesce .client.Name }}"</h1>
 
 	<form
 		action="{{ links.OAuth2AuthorizeClient }}"
diff --git a/auth/assets/templates/password-reset-requested.html.tpl b/auth/assets/templates/password-reset-requested.html.tpl
index 3c4b6502c..e84ef42b0 100644
--- a/auth/assets/templates/password-reset-requested.html.tpl
+++ b/auth/assets/templates/password-reset-requested.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl" . }}
 <div class="card-body p-0">
-	<h4 class="card-title p-3 border-bottom">Password reset requested</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Password reset requested</h1>
 	<div class="p-3" role="alert">
 	    If the email you entered is found in our database, you'll receive a password reset link to your inbox in a few moments.
 	</div>
diff --git a/auth/assets/templates/pending-email-confirmation.html.tpl b/auth/assets/templates/pending-email-confirmation.html.tpl
index 68895d647..4ee2853f1 100644
--- a/auth/assets/templates/pending-email-confirmation.html.tpl
+++ b/auth/assets/templates/pending-email-confirmation.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl" . }}
 <div class="card-body p-0">
-	<h4 class="card-title p-3 border-bottom">Confirm your email</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Confirm your email</h1>
 	<div class="p-3" role="alert">
 		You should receive email confirmation link to your inbox in a few moments.
 	</div>
diff --git a/auth/assets/templates/profile.html.tpl b/auth/assets/templates/profile.html.tpl
index bf5fe8c3b..74116426d 100644
--- a/auth/assets/templates/profile.html.tpl
+++ b/auth/assets/templates/profile.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl" set . "activeNav" "profile" }}
 <div class="card-body p-0">
-	<h4 class="card-title p-3 border-bottom">Your profile</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Your profile</h1>
 	<form
 		method="POST"
 		action="{{ links.Profile }}"
diff --git a/auth/assets/templates/request-password-reset.html.tpl b/auth/assets/templates/request-password-reset.html.tpl
index 3c9355594..9accd2e55 100644
--- a/auth/assets/templates/request-password-reset.html.tpl
+++ b/auth/assets/templates/request-password-reset.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl" . }}
 <div class="card-body p-0">
-	<h4 class="card-title p-3 border-bottom">Request password reset link</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Request password reset link</h1>
 	<form
 		method="POST"
 		action="{{ links.RequestPasswordReset }}"
diff --git a/auth/assets/templates/reset-password.html.tpl b/auth/assets/templates/reset-password.html.tpl
index 166a6e7de..7ee51b69e 100644
--- a/auth/assets/templates/reset-password.html.tpl
+++ b/auth/assets/templates/reset-password.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl" . }}
 <div class="card-body p-0">
-	<h4 class="card-title p-3 border-bottom">Reset your password</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Reset your password</h1>
 	<form
 		method="POST"
 		action="{{ links.ResetPassword }}"
diff --git a/auth/assets/templates/security.html.tpl b/auth/assets/templates/security.html.tpl
index d774020af..9b7021657 100644
--- a/auth/assets/templates/security.html.tpl
+++ b/auth/assets/templates/security.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl" set . "activeNav" "security" }}
 <div class="card-body p-0">
-	<h4 class="card-title p-3 border-bottom">Security</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Security</h1>
 	<form
 		method="POST"
 		action="{{ links.Security }}"
diff --git a/auth/assets/templates/signup.html.tpl b/auth/assets/templates/signup.html.tpl
index ce902690b..28c3de280 100644
--- a/auth/assets/templates/signup.html.tpl
+++ b/auth/assets/templates/signup.html.tpl
@@ -1,6 +1,6 @@
 {{ template "inc_header.html.tpl" . }}
 <div class="card-body p-0">
-	<h4 class="card-title p-3 border-bottom">Sign up</h4>
+	<h1 class="h4 card-title p-3 border-bottom">Sign up</h1>
 	<form
 		method="POST"
 		action="{{ links.Signup }}"