diff --git a/CHANGES b/CHANGES
index 0236abdb..a8e0d574 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,11 +2,14 @@
 CHANGELOG
 =========
 
-0.32.1 (unreleased)
+0.33.0 (unreleased)
 -------------------
 
 - CSP: Don't test nonce for truthiness before inclusion #393 
 - Solve broken marker image paths in the admin panel #392
+- `map_width` and `map_height` are no longer supported in LeafletWidget `attrs`,
+  use traditional CSS to dimension maps (you can target the class
+  `.leaflet-container-default` for example.)
 
 0.32.0 (2025-05-14)
 -------------------
diff --git a/docs/widget.rst b/docs/widget.rst
index 49e66c5a..15bbafcb 100644
--- a/docs/widget.rst
+++ b/docs/widget.rst
@@ -93,8 +93,6 @@ To show a textarea input for the raw GeoJSON geometry, override admin ``form_fie
     from django.contrib.gis.db import models as geo_models
 
     LEAFLET_WIDGET_ATTRS = {
-        'map_height': '500px',
-        'map_width': '100%',
         'display_raw': 'true',
         'map_srid': 4326,
     }
diff --git a/leaflet/templates/leaflet/widget.html b/leaflet/templates/leaflet/widget.html
index 3dce00ea..9dbf16f8 100644
--- a/leaflet/templates/leaflet/widget.html
+++ b/leaflet/templates/leaflet/widget.html
@@ -4,13 +4,6 @@
 {{ FORCE_IMAGE_PATH|json_script:"force-img-path" }}
 {{ reset_view_icon|json_script:"Control-ResetView-ICON" }}
 
-<style nonce="{{ csp_nonce }}">
-    {% block map_css %}
-    {% if map_width and map_height %}#{{ id_map }} { width: {{ map_width|unlocalize }}; height: {{ map_height|unlocalize }}; }{% endif %}
-    {% if not display_raw %}#{{ id_css }} { display: none; }{% endif %}
-    {% endblock map_css %}
-</style>
-
 <script nonce="{{ csp_nonce }}">
     {% block vars %}var {{ module }} = {};
     {{ module }}.fieldid = '{{ id_css }}';
@@ -53,4 +46,4 @@
     target="_blank"
     rel="nofollow">valid GeoJSON Geometry</a>:</p>
 {% endif %}
-<textarea id="{{ id_css }}" class="required django-leaflet-raw-textarea {{ class }}" cols="150" rows="10" name="{{ name }}">{{ serialized }}</textarea>
+<textarea id="{{ id_css }}" class="required django-leaflet-raw-textarea {{ class }}" cols="150" rows="10" name="{{ name }}"{% if not display_raw %} hidden{% endif %}>{{ serialized }}</textarea>
diff --git a/leaflet/tests/tests.py b/leaflet/tests/tests.py
index e586101b..e3ede2ec 100644
--- a/leaflet/tests/tests.py
+++ b/leaflet/tests/tests.py
@@ -227,7 +227,7 @@ def test_default_parameters(self):
         self.assertIn(".fieldid = 'geom'", output)
         self.assertIn(".srid = 4326", output)
         self.assertIn(".geom_type = 'Geometry'", output)
-        self.assertIn('#geom { display: none; }', output)
+        self.assertIn('name="geom" hidden', output)
         self.assertIn('function geom_map_callback(map, options)', output)
 
     def test_overriden_parameters(self):
@@ -237,7 +237,7 @@ class PolygonWidget(LeafletWidget):
         output = widget.render('geometry', '', {'id': 'geometry'})
         self.assertIn(".fieldid = 'geometry'", output)
         self.assertIn(".geom_type = 'Polygon'", output)
-        self.assertIn('#geometry { display: none; }', output)
+        self.assertIn('name="geometry" hidden', output)
         self.assertIn('function geometry_map_callback(map, options)', output)
 
     def test_javascript_safe_callback_name(self):