diff --git a/src/toolkit/content/aboutProfiles-xhtml.patch b/src/toolkit/content/aboutProfiles-xhtml.patch
new file mode 100644
index 00000000..198245ed
--- /dev/null
+++ b/src/toolkit/content/aboutProfiles-xhtml.patch
@@ -0,0 +1,12 @@
+diff --git a/toolkit/content/aboutProfiles.xhtml b/toolkit/content/aboutProfiles.xhtml
+index 85e2cff36776d82e66dd8b9f9c31f3af88cf8532..9019beb54690bb9562bd0c17c982c31b425e6a32 100644
+--- a/toolkit/content/aboutProfiles.xhtml
++++ b/toolkit/content/aboutProfiles.xhtml
+@@ -16,6 +16,7 @@
+
+
diff --git a/src/toolkit/content/aboutRights-unbranded-xhtml.patch b/src/toolkit/content/aboutRights-unbranded-xhtml.patch
new file mode 100644
index 00000000..3b2f77e6
--- /dev/null
+++ b/src/toolkit/content/aboutRights-unbranded-xhtml.patch
@@ -0,0 +1,12 @@
+diff --git a/toolkit/content/aboutRights-unbranded.xhtml b/toolkit/content/aboutRights-unbranded.xhtml
+index 6fce98054a0802d6fc0be797676fa3c18f0e23d2..26e322695a2bb9309e11b4986f27f214f6e57ace 100644
+--- a/toolkit/content/aboutRights-unbranded.xhtml
++++ b/toolkit/content/aboutRights-unbranded.xhtml
+@@ -17,6 +17,7 @@
+
+
+
++
+
+
+
diff --git a/src/toolkit/content/aboutRights-xhtml.patch b/src/toolkit/content/aboutRights-xhtml.patch
new file mode 100644
index 00000000..7d6f3a1f
--- /dev/null
+++ b/src/toolkit/content/aboutRights-xhtml.patch
@@ -0,0 +1,12 @@
+diff --git a/toolkit/content/aboutRights.xhtml b/toolkit/content/aboutRights.xhtml
+index ceb57eb153108a71118212cd7983f8735bb0420d..1271c71850fd43a5101cacfd9d41cd5bd172b537 100644
+--- a/toolkit/content/aboutRights.xhtml
++++ b/toolkit/content/aboutRights.xhtml
+@@ -18,6 +18,7 @@
+
+
+
++
+
+
+
diff --git a/src/toolkit/content/aboutSupport-xhtml.patch b/src/toolkit/content/aboutSupport-xhtml.patch
new file mode 100644
index 00000000..b36ae1e7
--- /dev/null
+++ b/src/toolkit/content/aboutSupport-xhtml.patch
@@ -0,0 +1,12 @@
+diff --git a/toolkit/content/aboutSupport.xhtml b/toolkit/content/aboutSupport.xhtml
+index 55caf7b83f44330c79436bca4614ebbc18f0d4f3..5bac0976a9453a94ea0b194f550dd9e292c8e3dd 100644
+--- a/toolkit/content/aboutSupport.xhtml
++++ b/toolkit/content/aboutSupport.xhtml
+@@ -27,6 +27,7 @@
+ #ifndef ANDROID
+
+ #endif
++
+
+
+
diff --git a/src/toolkit/content/aboutTelemetry-xhtml.patch b/src/toolkit/content/aboutTelemetry-xhtml.patch
new file mode 100644
index 00000000..c7a5ca59
--- /dev/null
+++ b/src/toolkit/content/aboutTelemetry-xhtml.patch
@@ -0,0 +1,12 @@
+diff --git a/toolkit/content/aboutTelemetry.xhtml b/toolkit/content/aboutTelemetry.xhtml
+index 8cddb4661741bc57cebb1506150ba3172d08259e..2b9422812892c3659f3263b2586f495c6f7df2d5 100644
+--- a/toolkit/content/aboutTelemetry.xhtml
++++ b/toolkit/content/aboutTelemetry.xhtml
+@@ -17,6 +17,7 @@
+
+
+
++
+
+
+
diff --git a/src/toolkit/content/aboutUrlClassifier-xhtml.patch b/src/toolkit/content/aboutUrlClassifier-xhtml.patch
new file mode 100644
index 00000000..447d193b
--- /dev/null
+++ b/src/toolkit/content/aboutUrlClassifier-xhtml.patch
@@ -0,0 +1,12 @@
+diff --git a/toolkit/content/aboutUrlClassifier.xhtml b/toolkit/content/aboutUrlClassifier.xhtml
+index 333ef429edf87bd67c08d740d563ce5ca8d44af9..c26c2572cbb824f9a19c95475f7f07dbbeb23dd2 100644
+--- a/toolkit/content/aboutUrlClassifier.xhtml
++++ b/toolkit/content/aboutUrlClassifier.xhtml
+@@ -16,6 +16,7 @@
+
+
+
++
+
+
+
diff --git a/src/toolkit/content/aboutwebrtc/aboutWebrtc-html.patch b/src/toolkit/content/aboutwebrtc/aboutWebrtc-html.patch
new file mode 100644
index 00000000..bfad02d8
--- /dev/null
+++ b/src/toolkit/content/aboutwebrtc/aboutWebrtc-html.patch
@@ -0,0 +1,12 @@
+diff --git a/toolkit/content/aboutwebrtc/aboutWebrtc.html b/toolkit/content/aboutwebrtc/aboutWebrtc.html
+index 14ffab8c5fc61dc51a32a981bdbc4b4d9b8cf301..1af13b9478941ea6ed0b34b92765bad223845a17 100644
+--- a/toolkit/content/aboutwebrtc/aboutWebrtc.html
++++ b/toolkit/content/aboutwebrtc/aboutWebrtc.html
+@@ -16,6 +16,7 @@
+
+
++
+
+
+
diff --git a/src/toolkit/content/buildconfig-html.patch b/src/toolkit/content/buildconfig-html.patch
new file mode 100644
index 00000000..9f223045
--- /dev/null
+++ b/src/toolkit/content/buildconfig-html.patch
@@ -0,0 +1,20 @@
+diff --git a/toolkit/content/buildconfig.html b/toolkit/content/buildconfig.html
+index b7f6abd710d7433afca98a5f28ff832dda8a5fee..287f7f9660e782e04cfe9b633fe31565fadfea3a 100644
+--- a/toolkit/content/buildconfig.html
++++ b/toolkit/content/buildconfig.html
+@@ -7,13 +7,14 @@
+ #include @TOPOBJDIR@/source-repo.h
+
+
+-
++
+
+
+
+
Build Configuration
+
+
++
+
+
+
diff --git a/src/toolkit/content/license-html.patch b/src/toolkit/content/license-html.patch
new file mode 100644
index 00000000..332d169e
--- /dev/null
+++ b/src/toolkit/content/license-html.patch
@@ -0,0 +1,19 @@
+diff --git a/toolkit/content/license.html b/toolkit/content/license.html
+index d56233243c7e24185a68b48fbd3ab3d69aaa153a..fdebfe2f254c1c2d10a198e1c1f42bebcfb2df4e 100644
+--- a/toolkit/content/license.html
++++ b/toolkit/content/license.html
+@@ -5,12 +5,13 @@
+
+
+
+-
++
+
+
+
Licenses
+
+
++
+
+
+
diff --git a/src/toolkit/content/plugins-css.patch b/src/toolkit/content/plugins-css.patch
new file mode 100644
index 00000000..291b4f2c
--- /dev/null
+++ b/src/toolkit/content/plugins-css.patch
@@ -0,0 +1,13 @@
+diff --git a/toolkit/content/plugins.css b/toolkit/content/plugins.css
+index 6ad7c368d8926826c848a07386a8982123b531f7..c1ee4f9c73a673672d40c13ed16209a1da536d30 100644
+--- a/toolkit/content/plugins.css
++++ b/toolkit/content/plugins.css
+@@ -7,7 +7,7 @@
+ ======================================================================= */
+
+ body {
+- background-color: Field;
++ background-color: var(--in-content-page-background);
+ color: FieldText;
+ font: message-box;
+ }
diff --git a/src/toolkit/content/plugins-html.patch b/src/toolkit/content/plugins-html.patch
new file mode 100644
index 00000000..c45b8121
--- /dev/null
+++ b/src/toolkit/content/plugins-html.patch
@@ -0,0 +1,12 @@
+diff --git a/toolkit/content/plugins.html b/toolkit/content/plugins.html
+index 84855798c78cbd5b4c039f179b672ec425c03347..9b0528ff8e63c0a575fbcb99165691750f4a9578 100644
+--- a/toolkit/content/plugins.html
++++ b/toolkit/content/plugins.html
+@@ -12,6 +12,7 @@
+
+
+
++
+
+
+
diff --git a/src/toolkit/crashreporter/content/crashes-html.patch b/src/toolkit/crashreporter/content/crashes-html.patch
new file mode 100644
index 00000000..d4295d3a
--- /dev/null
+++ b/src/toolkit/crashreporter/content/crashes-html.patch
@@ -0,0 +1,12 @@
+diff --git a/toolkit/crashreporter/content/crashes.html b/toolkit/crashreporter/content/crashes.html
+index 5a11b8c05bbafd47ba40f5adc44aefb11ee1df81..9559bf9db0a1e1c20a460c48e8bdd100d9d3b8f1 100644
+--- a/toolkit/crashreporter/content/crashes.html
++++ b/toolkit/crashreporter/content/crashes.html
+@@ -13,6 +13,7 @@
+
+
+
++
+
+
+
diff --git a/src/toolkit/mozapps/extensions/content/aboutaddons-html.patch b/src/toolkit/mozapps/extensions/content/aboutaddons-html.patch
new file mode 100644
index 00000000..e50b4cf1
--- /dev/null
+++ b/src/toolkit/mozapps/extensions/content/aboutaddons-html.patch
@@ -0,0 +1,13 @@
+diff --git a/toolkit/mozapps/extensions/content/aboutaddons.html b/toolkit/mozapps/extensions/content/aboutaddons.html
+index d346762cacbbfd66e8b544794050332b8eec9d53..472bdc0da7c9919635dbe0aa4d471230cb652c09 100644
+--- a/toolkit/mozapps/extensions/content/aboutaddons.html
++++ b/toolkit/mozapps/extensions/content/aboutaddons.html
+@@ -31,6 +31,8 @@
+
+
+
++
++
+
+
+
diff --git a/src/toolkit/themes/shared/in-content/common-shared-css.patch b/src/toolkit/themes/shared/in-content/common-shared-css.patch
new file mode 100644
index 00000000..fac0e2e8
--- /dev/null
+++ b/src/toolkit/themes/shared/in-content/common-shared-css.patch
@@ -0,0 +1,22 @@
+diff --git a/toolkit/themes/shared/in-content/common-shared.css b/toolkit/themes/shared/in-content/common-shared.css
+index 81c4390ccc5fa063bfe055cbca72b5935dd7966b..bec9dc48d01b5a7abc059f037271026b7b1b22c3 100644
+--- a/toolkit/themes/shared/in-content/common-shared.css
++++ b/toolkit/themes/shared/in-content/common-shared.css
+@@ -268,8 +268,6 @@
+ :root {
+ font: message-box;
+ appearance: none;
+- background-color: var(--in-content-page-background);
+- color: var(--in-content-page-color);
+ }
+
+ :root:not(.system-font-size) {
+@@ -278,6 +276,8 @@
+
+ html|body {
+ margin: 0;
++ background-color: var(--in-content-page-background);
++ color: var(--in-content-page-color);
+ }
+
+ html|h1 {