diff --git a/doc/api-quick-start/source/conf.py b/doc/api-quick-start/source/conf.py
index c43d4a1b0e..bb41017360 100644
--- a/doc/api-quick-start/source/conf.py
+++ b/doc/api-quick-start/source/conf.py
@@ -92,7 +92,7 @@ exclude_patterns = []
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
diff --git a/doc/common/source/conf.py b/doc/common/source/conf.py
index b95a29194e..ebbd206382 100644
--- a/doc/common/source/conf.py
+++ b/doc/common/source/conf.py
@@ -95,7 +95,7 @@ exclude_patterns = []
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
diff --git a/doc/doc-contrib-guide/source/conf.py b/doc/doc-contrib-guide/source/conf.py
index 6db5d39d67..b459b2b377 100644
--- a/doc/doc-contrib-guide/source/conf.py
+++ b/doc/doc-contrib-guide/source/conf.py
@@ -100,7 +100,7 @@ exclude_patterns = ['common/app-support.rst', 'common/cli*', 'common/nova*',
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
diff --git a/doc/glossary/source/conf.py b/doc/glossary/source/conf.py
index 5fd9f0ba5f..e562dac41b 100644
--- a/doc/glossary/source/conf.py
+++ b/doc/glossary/source/conf.py
@@ -99,7 +99,7 @@ exclude_patterns = ['common/app-support.rst', 'common/cli*', 'common/nova*',
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
diff --git a/doc/image-guide/source/conf.py b/doc/image-guide/source/conf.py
index 721152260c..e5fa734451 100644
--- a/doc/image-guide/source/conf.py
+++ b/doc/image-guide/source/conf.py
@@ -96,7 +96,7 @@ exclude_patterns = ['common/get-start*', 'common/cli*', 'common/dashboard*',
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
diff --git a/doc/install-guide/source/conf.py b/doc/install-guide/source/conf.py
index 7bcd325f2d..8191cc4656 100644
--- a/doc/install-guide/source/conf.py
+++ b/doc/install-guide/source/conf.py
@@ -100,7 +100,7 @@ exclude_patterns = [
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 865fd1fe10..416cc21faa 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -90,7 +90,7 @@ exclude_patterns = []
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []