diff --git a/chrome/content/common.css b/chrome/content/common.css
index bc9c62e..8f85b47 100644
--- a/chrome/content/common.css
+++ b/chrome/content/common.css
@@ -107,3 +107,11 @@
     border-block-color: transparent currentColor !important;
   }
 }
+
+/* fix page flashes when loading some websites */
+@-moz-document url(about:blank) {
+  body {
+    background: var(--in-content-page-background);
+    color: var(--in-content-page-color);
+  }
+}
diff --git a/chrome/global/colors.css b/chrome/global/colors.css
index 94d9b33..6d729be 100644
--- a/chrome/global/colors.css
+++ b/chrome/global/colors.css
@@ -119,11 +119,11 @@
 
 /* Change Colour of page when loading */
 :root:not(:-moz-lwtheme) #tabbrowser-tabpanels {
-  background-color: var(--toolbar-bgcolor) !important;
+  background-color: #f7f7f7 !important;
 }
 
 :root[lwt-default-theme-in-dark-mode="true"] #tabbrowser-tabpanels {
-  background-color: var(--lwt-accent-color) !important;
+  background-color: #252525 !important;
 }
 
 /* needed for theming the private browsing indicator  */