diff --git a/django/contrib/admindocs/templates/admin_doc/model_detail.html b/django/contrib/admindocs/templates/admin_doc/model_detail.html
index d4a380aa38..1cbde0e44a 100644
--- a/django/contrib/admindocs/templates/admin_doc/model_detail.html
+++ b/django/contrib/admindocs/templates/admin_doc/model_detail.html
@@ -3,7 +3,7 @@
 
 {% block extrahead %}
 {{ block.super }}
-<style type="text/css">
+<style>
 .module table { width:100%; }
 .module table p { padding: 0; margin: 0; }
 </style>
diff --git a/django/views/templates/csrf_403.html b/django/views/templates/csrf_403.html
index 402a2c6cdd..85df032b12 100644
--- a/django/views/templates/csrf_403.html
+++ b/django/views/templates/csrf_403.html
@@ -4,7 +4,7 @@
   <meta http-equiv="content-type" content="text/html; charset=utf-8">
   <meta name="robots" content="NONE,NOARCHIVE">
   <title>403 Forbidden</title>
-  <style type="text/css">
+  <style>
     html * { padding:0; margin:0; }
     body * { padding:10px 20px; }
     body * * { padding:0; }
diff --git a/django/views/templates/technical_404.html b/django/views/templates/technical_404.html
index f2bfe49372..5c844b9279 100644
--- a/django/views/templates/technical_404.html
+++ b/django/views/templates/technical_404.html
@@ -4,7 +4,7 @@
   <meta http-equiv="content-type" content="text/html; charset=utf-8">
   <title>Page not found at {{ request.path_info }}</title>
   <meta name="robots" content="NONE,NOARCHIVE">
-  <style type="text/css">
+  <style>
     html * { padding:0; margin:0; }
     body * { padding:10px 20px; }
     body * * { padding:0; }
diff --git a/django/views/templates/technical_500.html b/django/views/templates/technical_500.html
index 305c4655ad..940beeeb85 100644
--- a/django/views/templates/technical_500.html
+++ b/django/views/templates/technical_500.html
@@ -5,7 +5,7 @@
   <meta name="robots" content="NONE,NOARCHIVE">
   <title>{% if exception_type %}{{ exception_type }}{% else %}Report{% endif %}
          {% if request %} at {{ request.path_info }}{% endif %}</title>
-  <style type="text/css">
+  <style>
     html * { padding:0; margin:0; }
     body * { padding:10px 20px; }
     body * * { padding:0; }