diff --git a/aleksis/core/templates/core/edit_dashboard.html b/aleksis/core/templates/core/edit_dashboard.html
index 09d9afd97ee8b983ed4577267641eae77fd2f14e..da50adeea4b2380075113753a9626ef3cbb30fbe 100644
--- a/aleksis/core/templates/core/edit_dashboard.html
+++ b/aleksis/core/templates/core/edit_dashboard.html
@@ -45,20 +45,20 @@
     {% include "core/partials/save_button.html" %}
   </form>
 
-  <h5>{% trans "Available widgets" %}</h5>
+  <h2>{% trans "Available widgets" %}</h2>
   <div class="row card-panel grey lighten-3" id="not-used-widgets">
     {% for widget in not_used_widgets %}
       {% include "core/partials/edit_dashboard_widget.html" %}
     {% endfor %}
   </div>
 
-  <h5>
+  <h2>
     {% if not default_dashboard %}
       {% trans "Your dashboard" %}
     {% else %}
       {% trans "Default dashboard" %}
     {% endif %}
-  </h5>
+  </h2>
 
   <div class="row card-panel grey lighten-3" id="widgets">
     {% for widget in widgets %}
diff --git a/aleksis/core/templates/core/group/child_groups.html b/aleksis/core/templates/core/group/child_groups.html
index bb5a429f6ec09effe094e14663f86187258919d3..900df71a59f24817bbec128b5ec15748b5a9d752 100644
--- a/aleksis/core/templates/core/group/child_groups.html
+++ b/aleksis/core/templates/core/group/child_groups.html
@@ -36,7 +36,7 @@
       </a>
     </form>
 
-    <h5>{% trans "Currently selected groups" %}</h5>
+    <h2>{% trans "Currently selected groups" %}</h2>
 
     {% for group in filter.qs %}
       <div class="chip">
diff --git a/aleksis/core/templates/core/group/full.html b/aleksis/core/templates/core/group/full.html
index 32a3791d2970374fa934d64bf89b29c54e9baef2..65d94ad13a7e563302e9ae283fe4df24c6135353 100644
--- a/aleksis/core/templates/core/group/full.html
+++ b/aleksis/core/templates/core/group/full.html
@@ -9,7 +9,7 @@
 {% block browser_title %}{{ group.name }}{% endblock %}
 
 {% block content %}
-  <h4>{{ group.name }} <small class="grey-text">{{ group.short_name }}</small></h4>
+  <h1>{{ group.name }} <small class="grey-text">{{ group.short_name }}</small></h1>
 
   {% has_perm 'core.edit_group_rule' user group as can_change_group %}
   {% has_perm 'core.change_group_preferences_rule' user group as can_change_group_preferences %}
@@ -61,7 +61,7 @@
   </table>
 
   {% if can_view_group_stats %}
-    <h5>{% blocktrans %}Statistics{% endblocktrans %}</h5>
+    <h2>{% blocktrans %}Statistics{% endblocktrans %}</h2>
     <ul>
       <li>
         {% trans "Count of members" %}: {{ stats.members }}
@@ -79,10 +79,10 @@
     </ul>
   {% endif %}
 
-  <h5>{% blocktrans %}Owners{% endblocktrans %}</h5>
+  <h2>{% blocktrans %}Owners{% endblocktrans %}</h2>
   {% render_table owners_table %}
 
-  <h5>{% blocktrans %}Members{% endblocktrans %}</h5>
+  <h2>{% blocktrans %}Members{% endblocktrans %}</h2>
   {% render_table members_table %}
 
 {% endblock %}
diff --git a/aleksis/core/templates/core/group/list.html b/aleksis/core/templates/core/group/list.html
index 436b193e74f4c7e7e718fe5ba69a0b9fa0812a2b..9fe2c925f79f423cba0e8d195fb0299cca1c906b 100644
--- a/aleksis/core/templates/core/group/list.html
+++ b/aleksis/core/templates/core/group/list.html
@@ -14,7 +14,7 @@
     {% trans "Create group" %}
   </a>
 
-  <h5>{% trans "Filter groups" %}</h5>
+  <h2>{% trans "Filter groups" %}</h2>
   <form method="get">
     {% form form=groups_filter.form %}{% endform %}
     {% trans "Search" as caption %}
@@ -25,6 +25,6 @@
     </button>
   </form>
 
-  <h5>{% trans "Selected groups" %}</h5>
+  <h2>{% trans "Selected groups" %}</h2>
   {% render_table groups_table %}
 {% endblock %}
diff --git a/aleksis/core/templates/core/index.html b/aleksis/core/templates/core/index.html
index d1606fca9be70a4d4a98c1b6974f2b84f22948f5..3fa9476c74aac874f56cc2fa35669e2715191037 100644
--- a/aleksis/core/templates/core/index.html
+++ b/aleksis/core/templates/core/index.html
@@ -58,7 +58,7 @@
   {% if activities or notifications %}
     <div class="row">
       <div class="col s12 m6">
-        <h5>{% blocktrans %}Last activities{% endblocktrans %}</h5>
+        <h2>{% blocktrans %}Last activities{% endblocktrans %}</h2>
 
         {% if activities %}
           <ul class="collection">
@@ -81,7 +81,7 @@
       </div>
 
       <div class="col s12 m6">
-        <h5>{% blocktrans %}Recent notifications{% endblocktrans %}</h5>
+        <h2>{% blocktrans %}Recent notifications{% endblocktrans %}</h2>
 
         {% if notifications %}
           <ul class="collection">
diff --git a/aleksis/core/templates/core/person/full.html b/aleksis/core/templates/core/person/full.html
index 2b2ba3fb0d9a47d298e3abab277ea4ae73cd01fd..6d48194665b2667df1bfdaf0a3c0d05a706c1d23 100644
--- a/aleksis/core/templates/core/person/full.html
+++ b/aleksis/core/templates/core/person/full.html
@@ -8,7 +8,7 @@
 {% block browser_title %}{{ person.first_name }} {{ person.last_name }}{% endblock %}
 
 {% block content %}
-  <h4>{{ person.first_name }} {{ person.last_name }}</h4>
+  <h1>{{ person.first_name }} {{ person.last_name }}</h1>
 
   {% has_perm 'core.edit_person_rule' user person as can_change_person %}
   {% has_perm 'core.change_person_preferences_rule' user person as can_change_person_preferences %}
@@ -47,7 +47,7 @@
     </p>
   {% endif %}
 
-  <h5>{% blocktrans %}Contact details{% endblocktrans %}</h5>
+  <h2>{% blocktrans %}Contact details{% endblocktrans %}</h2>
   <div class="row">
     <div class="col s12 m4">
       {% has_perm 'core.view_photo_rule' user person as can_view_photo %}
@@ -117,7 +117,7 @@
     </div>
     {% if person.description %}
       <div class="col s12 m12">
-        <h5>{% trans "Description" %}</h5>
+        <h2>{% trans "Description" %}</h2>
         <p>
           {{ person.description }}
         </p>
@@ -127,21 +127,21 @@
 
   {% if person.children.all and can_view_personal_details %}
     <div class="col s12 m12">
-      <h5>{% trans "Children" %}</h5>
+      <h2>{% trans "Children" %}</h2>
       {% include "core/person/collection.html" with persons=person.children.all %}
     </div>
   {% endif %}
 
   {% if person.guardians.all and can_view_personal_details %}
     <div class="col s12 m12">
-      <h5>{% trans "Guardians / Parents" %}</h5>
+      <h2>{% trans "Guardians / Parents" %}</h2>
       {% include "core/person/collection.html" with persons=person.guardians.all %}
     </div>
   {% endif %}
 
   {% has_perm 'core.view_person_groups_rule' user person as can_view_groups %}
   {% if can_view_groups %}
-    <h5>{% blocktrans %}Groups{% endblocktrans %}</h5>
+    <h2>{% blocktrans %}Groups{% endblocktrans %}</h2>
     {% render_table groups_table %}
   {% endif %}
 {% endblock %}
diff --git a/aleksis/core/templates/core/person/list.html b/aleksis/core/templates/core/person/list.html
index f91e2ef05b00f3a16fce23f67431e822aff3518a..ca441cac485847cf6a4975071d73787473804694 100644
--- a/aleksis/core/templates/core/person/list.html
+++ b/aleksis/core/templates/core/person/list.html
@@ -18,7 +18,7 @@
     </a>
   {% endif %}
 
-  <h5>{% trans "Filter persons" %}</h5>
+  <h2>{% trans "Filter persons" %}</h2>
   <form method="get">
     {% form form=persons_filter.form %}{% endform %}
     {% trans "Search" as caption %}
@@ -29,6 +29,6 @@
     </button>
   </form>
 
-  <h5>{% trans "Selected persons" %}</h5>
+  <h2>{% trans "Selected persons" %}</h2>
   {% render_table persons_table %}
 {% endblock %}
diff --git a/aleksis/core/templates/oauth2_provider/application_list.html b/aleksis/core/templates/oauth2_provider/application_list.html
index 8893f3476c8c034c457adb7846b4edfd4e915af1..4b999bef22df7c158f30f83f54d8561825187131 100644
--- a/aleksis/core/templates/oauth2_provider/application_list.html
+++ b/aleksis/core/templates/oauth2_provider/application_list.html
@@ -5,7 +5,7 @@
 {% block browser_title %}{% blocktrans %}OAuth2 Applications{% endblocktrans %}{% endblock %}
 
 {% block content %}
-  <h4>{% blocktrans %}OAuth2 applications{% endblocktrans %}</h4>
+  <h1>{% blocktrans %}OAuth2 applications{% endblocktrans %}</h1>
   <a href="{% url "oauth2_provider:register" %}" class="btn green waves-effect
   waves-light">
     <i class="material-icons left">add</i>
diff --git a/aleksis/core/templates/search/search.html b/aleksis/core/templates/search/search.html
index 514661df42edecac7ca223c1c41fe4dae440b5ee..5af1e55cc1076e404a921596da1cbc0774f7dbc3 100644
--- a/aleksis/core/templates/search/search.html
+++ b/aleksis/core/templates/search/search.html
@@ -23,7 +23,7 @@
       </button>
     </p>
 
-    <h5>{% trans "Results" %}</h5>
+    <h2>{% trans "Results" %}</h2>
 
     {% if query %}
       <div class="collection">
diff --git a/aleksis/core/templates/socialaccount/connections.html b/aleksis/core/templates/socialaccount/connections.html
index 1ff2c2eb6123e21e15423ec0e6b761eefd869c34..2339be7e041609f85311ce152c4083a05ec4e651 100644
--- a/aleksis/core/templates/socialaccount/connections.html
+++ b/aleksis/core/templates/socialaccount/connections.html
@@ -34,7 +34,7 @@
     <p>{% trans 'You currently have no third-party accounts connected to this account.' %}</p>
   {% endif %}
 
-  <h5>{% trans 'Add a Third-party Account' %}</h5>
+  <h2>{% trans 'Add a Third-party Account' %}</h2>
 
   {% include "socialaccount/snippets/provider_list.html" with process="connect" %}
 
diff --git a/aleksis/core/templates/two_factor/core/backup_tokens.html b/aleksis/core/templates/two_factor/core/backup_tokens.html
index 84d6ef6802d5d6e85459eb662fe1d99f65a0dcf9..b85450747fbe00623900af8d2832c0060446a042 100644
--- a/aleksis/core/templates/two_factor/core/backup_tokens.html
+++ b/aleksis/core/templates/two_factor/core/backup_tokens.html
@@ -6,7 +6,7 @@
 {% endblock %}
 
 {% block content %}
-  <h4>{% block title %}{% trans "Backup Tokens" %}{% endblock %}</h4>
+  <h1>{% block title %}{% trans "Backup Tokens" %}{% endblock %}</h1>
 
   <div class="alert info">
     <p>
diff --git a/aleksis/core/templates/two_factor/core/phone_register.html b/aleksis/core/templates/two_factor/core/phone_register.html
index 4eae9ebfac173a6b4fc37ed3a21b5941cc28eb71..620cdd07b4310116406fd9e5ba2a15ecad4d1260 100644
--- a/aleksis/core/templates/two_factor/core/phone_register.html
+++ b/aleksis/core/templates/two_factor/core/phone_register.html
@@ -6,7 +6,7 @@
 {% endblock %}
 
 {% block content %}
-  <h4>{% block title %}{% trans "Add Backup Phone" %}{% endblock %}</h4>
+  <h1>{% block title %}{% trans "Add Backup Phone" %}{% endblock %}</h1>
 
   {% if wizard.steps.current == 'setup' %}
     <p>{% blocktrans %}You'll be adding a backup phone number to your
diff --git a/aleksis/core/templates/two_factor/core/setup.html b/aleksis/core/templates/two_factor/core/setup.html
index 8048403964a5bd4b7c9761d0189f18bb53524a22..a0e30472db11566a58b1c00e06b5ad6689b6e681 100644
--- a/aleksis/core/templates/two_factor/core/setup.html
+++ b/aleksis/core/templates/two_factor/core/setup.html
@@ -2,7 +2,7 @@
 {% load i18n %}
 
 {% block content %}
-  <h4>{% block title %}{% trans "Enable Two-Factor Authentication" %}{% endblock %}</h4>
+  <h1>{% block title %}{% trans "Enable Two-Factor Authentication" %}{% endblock %}</h1>
 
   {% if wizard.steps.current == 'welcome' %}
     <p class="flow-text">
diff --git a/aleksis/core/templates/two_factor/core/setup_complete.html b/aleksis/core/templates/two_factor/core/setup_complete.html
index 6520694bb0fbeda769573fa86e17bae89b514cf3..df3f5e93acb1ded3138b9aea2375ce7d529c9033 100644
--- a/aleksis/core/templates/two_factor/core/setup_complete.html
+++ b/aleksis/core/templates/two_factor/core/setup_complete.html
@@ -6,7 +6,7 @@
 {% endblock %}
 
 {% block content %}
-  <h4>{% block title %}{% trans "Two-Factor Authentication successfully enabled" %}{% endblock %}</h4>
+  <h1>{% block title %}{% trans "Two-Factor Authentication successfully enabled" %}{% endblock %}</h1>
 
   <div class="alert success">
     <p>
diff --git a/aleksis/core/templates/two_factor/profile/disable.html b/aleksis/core/templates/two_factor/profile/disable.html
index 36fa472b7550a11c6b0d2d0d17364e11820bb5ec..56bf20164b16b75a2b1d7e0759c9d43ba8d5b242 100644
--- a/aleksis/core/templates/two_factor/profile/disable.html
+++ b/aleksis/core/templates/two_factor/profile/disable.html
@@ -6,7 +6,7 @@
 {% endblock %}
 
 {% block content %}
-  <h4>{% block title %}{% trans "Disable Two-Factor Authentication" %}{% endblock %}</h4>
+  <h1>{% block title %}{% trans "Disable Two-Factor Authentication" %}{% endblock %}</h1>
 
   <p class="flow-text">
     {% blocktrans trimmed %}
diff --git a/aleksis/core/templates/two_factor/profile/profile.html b/aleksis/core/templates/two_factor/profile/profile.html
index 4161becad1bb418d62115634edd07a128afecf22..eaaa0ff6a5a1bde9463682100dfb9cc6f6b0f3dc 100644
--- a/aleksis/core/templates/two_factor/profile/profile.html
+++ b/aleksis/core/templates/two_factor/profile/profile.html
@@ -6,9 +6,9 @@
 {% endblock %}
 
 {% block content %}
-  <h4>
+  <h1>
     {% block title %}{% trans "Account Security" %}{% endblock %}
-  </h4>
+  </h1>
 
   {% if default_device %}
     {% if default_device_type == 'TOTPDevice' %}
@@ -20,7 +20,7 @@
     {% endif %}
 
     {% if available_phone_methods %}
-      <h5>{% trans "Backup Phone Numbers" %}</h5>
+      <h2>{% trans "Backup Phone Numbers" %}</h2>
       <p>{% blocktrans %}If your primary method is not available, we are able to
         send backup tokens to the phone numbers listed below.{% endblocktrans %}</p>
       <ul class="collection">
@@ -43,7 +43,7 @@
       </p>
     {% endif %}
 
-    <h5>{% trans "Backup Tokens" %}</h5>
+    <h2>{% trans "Backup Tokens" %}</h2>
     <p>
       {% blocktrans %}If you don't have any device with you, you can access
         your account using backup tokens.{% endblocktrans %}
@@ -60,7 +60,7 @@
       </a>
     </p>
 
-    <h5>{% trans "Disable Two-Factor Authentication" %}</h5>
+    <h2>{% trans "Disable Two-Factor Authentication" %}</h2>
     <p>
       {% blocktrans %}
         However we strongly discourage you to do so, you can