diff --git a/css/common-files/library.css b/css/common-files/library.css
index 6da1e218..ecbc5674 100644
--- a/css/common-files/library.css
+++ b/css/common-files/library.css
@@ -1,4 +1,4 @@
-@-moz-document url(chrome://browser/content/places/places.xul) {
+@-moz-document url(chrome://browser/content/places/places.xhtml) {
   toolbar {
     -moz-appearance: none!important;
     background-color: var(--in-content-category-header-background)!important;
@@ -147,4 +147,4 @@
       --treechildren-outline: none!important
     }
   }
-}
\ No newline at end of file
+}
diff --git a/css/common-files/trees.css b/css/common-files/trees.css
index d0b29ab3..79ca2560 100644
--- a/css/common-files/trees.css
+++ b/css/common-files/trees.css
@@ -1,9 +1,9 @@
 @-moz-document url-prefix(about:),
 url-prefix(chrome://browser/content/preferences/),
-url(chrome://passwordmgr/content/passwordManager.xul),
+url(chrome://passwordmgr/content/passwordManager.xhtml),
 url(chrome://formautofill/content/manageAddresses.xhtml),
 url-prefix(chrome://pippki),
-url(chrome://browser/content/pageinfo/pageInfo.xul) {
+url(chrome://browser/content/pageinfo/pageInfo.xhtml) {
   ::-moz-tree-row(selected) {
     -moz-appearance: none!important;
     background-color: red!important
@@ -61,4 +61,4 @@ url(chrome://browser/content/pageinfo/pageInfo.xul) {
       --treechildren-outline: none!important
     }
   }
-}
\ No newline at end of file
+}
diff --git a/css/userChrome-files/common_dialog.css b/css/userChrome-files/common_dialog.css
index 8055217b..bf4831de 100644
--- a/css/userChrome-files/common_dialog.css
+++ b/css/userChrome-files/common_dialog.css
@@ -1,7 +1,7 @@
-@-moz-document url("chrome://global/content/commonDialog.xul") {
+@-moz-document url("chrome://global/content/commonDialog.xhtml") {
   #commonDialog {
     -moz-appearance: none!important;
     background: var(--in-content-page-background)!important;
     color: var(--in-content-page-color)!important
   }
-}
\ No newline at end of file
+}
diff --git a/css/userChrome-files/page_info.css b/css/userChrome-files/page_info.css
index 69c95a9c..3a37e597 100644
--- a/css/userChrome-files/page_info.css
+++ b/css/userChrome-files/page_info.css
@@ -1,4 +1,4 @@
-@-moz-document url(chrome://browser/content/pageinfo/pageInfo.xul) {
+@-moz-document url(chrome://browser/content/pageinfo/pageInfo.xhtml) {
   #topBar {
     -moz-appearance: none!important;
     background: var(--in-content-category-header-background)!important
@@ -130,7 +130,7 @@
     }
   }
 }
-@-moz-document url-prefix(chrome://browser/content/preferences/cookies.xul) {
+@-moz-document url-prefix(chrome://browser/content/preferences/cookies.xhtml) {
   #CookiesDialog {
     -moz-appearance: none!important;
     background-color: var(--in-content-page-background)!important
@@ -251,4 +251,4 @@
     border: 1px solid var(--in-content-box-border-color);
     padding: 1px
   }
-}
\ No newline at end of file
+}