Fix some CSS mis-alignments. Remove obsolete template file.

templates/admin_teams.html

@@ -2,10 +2,9 @@
 
 {% block content %}
 <div class="container">
-    <h1>Team Management</h1>
-    
-    <div class="mb-3">
-        <a href="{{ url_for('create_team') }}" class="btn btn-primary">Create New Team</a>
+    <div class="admin-header">
+        <h1>Team Management</h1>
+        <a href="{{ url_for('create_team') }}" class="btn btn-success">Create New Team</a>
     </div>
     
     {% if teams %}
@@ -41,4 +40,5 @@
         <p>No teams found. Create a team to get started.</p>
     {% endif %}
 </div>
+
 {% endblock %}