diff --git a/userContent-files/about_pages/healthreport.css b/userContent-files/about_pages/healthreport.css
index 772b92a..0aa5547 100644
--- a/userContent-files/about_pages/healthreport.css
+++ b/userContent-files/about_pages/healthreport.css
@@ -1,23 +1,27 @@
-.headerContainer {
-    background: var(--grey-70) !important;
-    color: var(--primary-light-color) !important;
-}
+@-moz-document url(about:healthreport) {
 
-.persistentHeader {
-  background-color: transparent !important;
-}
+	.headerContainer {
+	    background: var(--grey-70) !important;
+	    color: var(--primary-light-color) !important;
+	}
+
+	.persistentHeader {
+	  background-color: transparent !important;
+	}
 
 
-body {
-    background: var(--primary-dark-color) !important;
-    color: var(--primary-light-color) !important;
-}
+	body {
+	    background: var(--primary-dark-color) !important;
+	    color: var(--primary-light-color) !important;
+	}
 
-.statsBoxSection-header {
-    color: var(--primary-accent-color) !important;
-}
+	.statsBoxSection-header {
+	    color: var(--primary-accent-color) !important;
+	}
+
+	.statsBoxSection-content li,
+	.statsBoxSection-content li > .statsBoxSection-value{
+	    color: var(--primary-light-color) !important;
+	}
 
-.statsBoxSection-content li,
-.statsBoxSection-content li > .statsBoxSection-value{
-    color: var(--primary-light-color) !important;
 }
\ No newline at end of file
diff --git a/userContent.css b/userContent.css
index 67a99b9..f4c8909 100644
--- a/userContent.css
+++ b/userContent.css
@@ -426,27 +426,29 @@
     color: var(--primary-accent-color) !important;
   }
 }
-.headerContainer {
-  background: var(--grey-70) !important;
-  color: var(--primary-light-color) !important;
-}
+@-moz-document url(about:healthreport)  {
+  .headerContainer {
+    background: var(--grey-70) !important;
+    color: var(--primary-light-color) !important;
+  }
 
-.persistentHeader {
-  background-color: transparent !important;
-}
+  .persistentHeader {
+    background-color: transparent !important;
+  }
 
-body {
-  background: var(--primary-dark-color) !important;
-  color: var(--primary-light-color) !important;
-}
+  body {
+    background: var(--primary-dark-color) !important;
+    color: var(--primary-light-color) !important;
+  }
 
-.statsBoxSection-header {
-  color: var(--primary-accent-color) !important;
-}
+  .statsBoxSection-header {
+    color: var(--primary-accent-color) !important;
+  }
 
-.statsBoxSection-content li,
-.statsBoxSection-content li > .statsBoxSection-value {
-  color: var(--primary-light-color) !important;
+  .statsBoxSection-content li,
+  .statsBoxSection-content li > .statsBoxSection-value {
+    color: var(--primary-light-color) !important;
+  }
 }
 @-moz-document url(about:memory)  {
   div.opsRow {