Replace some h2 with h1, set h:first-child, last-child margin=0.

frontends/etiquette_flask/static/css/etiquette.css

@@ -27,7 +27,24 @@ iframe.embedded_search
     border: none;
 }
 
-p:last-of-type
+h1:first-child,
+h2:first-child,
+h3:first-child,
+h4:first-child,
+h5:first-child,
+h6:first-child,
+p:first-child
+{
+    margin-top: 0;
+}
+
+h1:last-child,
+h2:last-child,
+h3:last-child,
+h4:last-child,
+h5:last-child,
+h6:last-child,
+p:last-child
 {
     margin-bottom: 0;
 }

frontends/etiquette_flask/templates/album.html

@@ -3,10 +3,6 @@
 
 {% macro shared_css() %}
 <style>
-h2, h3
-{
-    margin-top: 0;
-}
 #hierarchy_self
 {
     display: grid;
@@ -105,7 +101,7 @@ h2, h3
 <div id="content_body" class="sticky_side_right sticky_bottom_right">
     <div id="left">
         <div id="album_list" class="panel">
-            <h2>Albums</h2>
+            <h1>Albums</h1>
             {% for album in albums %}
             {{cards.create_album_card(album, view=view, draggable=true)}}
             {% endfor %}

frontends/etiquette_flask/templates/bookmarks.html

@@ -35,7 +35,7 @@
     {{header.make_header(session=session)}}
     <div id="content_body">
         <div id="bookmark_list" class="panel">
-            <h2>Bookmarks</h2>
+            <h1>Bookmarks</h1>
             {% for bookmark in bookmarks %}
             {{cards.create_bookmark_card(bookmark, add_delete_button=True, add_url_element=True)}}
             {% endfor %}

frontends/etiquette_flask/templates/login.html

@@ -35,7 +35,7 @@ form
 }
 form h2
 {
-    margin: 0;
+    margin-bottom: 0;
 }
 #login_form { grid-area: login_form; }
 #register_form { grid-area: register_form; }

frontends/etiquette_flask/templates/tags.html

@@ -21,17 +21,13 @@
     <script src="/static/js/tag_autocomplete.js"></script>
 
 <style>
-h2, h3
-{
-    margin-top: 0;
-}
 #left
 {
     display: grid;
     grid-row-gap: 8px;
     grid-auto-rows: max-content;
 }
-#hierarchy_self h2 .editor_input
+#hierarchy_self h1 .editor_input
 {
     font-size: inherit;
     font-weight: inherit;
@@ -95,11 +91,11 @@ h2, h3
     <div id="left">
         {% if specific_tag %}
         <div id="hierarchy_self" class="panel">
-            <h2>{{cards.create_tag_card(
+            <h1>{{cards.create_tag_card(
                 specific_tag,
                 link="search",
                 id="name_text",
-            )}}</h2>
+            )}}</h1>
 
             <pre
             id="description_text"
@@ -148,7 +144,7 @@ h2, h3
             {% if specific_tag %}
             <h3>{{tag_count - 1}} Descendants</h3>
             {% else %}
-            <h2>{{tag_count}} Tags</h2>
+            <h1>{{tag_count}} Tags</h1>
             {% endif %}
 
             <div id="filter_box_holder">

frontends/etiquette_flask/templates/user.html

@@ -16,11 +16,6 @@
     <script src="/static/js/spinner.js"></script>
 
 <style>
-h2, h3
-{
-    margin-top: 0;
-}
-
 #content_body
 {
     grid-row-gap: 8px;
@@ -33,7 +28,7 @@ h2, h3
     {{header.make_header(session=session)}}
     <div id="content_body">
         <div id="hierarchy_self" class="panel">
-            <h2 id="display_name">{{user.display_name}}</h2>
+            <h1 id="display_name">{{user.display_name}}</h1>
             <p>ID: <a href="/userid/{{user.id}}">{{user.id}}</a></p>
             <p>User since <span title="{{user.created|int|timestamp_to_8601}}">{{user.created|timestamp_to_naturaldate}}.</span></p>
         </div>