diff --git a/assets/mastodon.css b/assets/mastodon.css
index b5f6b67..86d8c76 100644
--- a/assets/mastodon.css
+++ b/assets/mastodon.css
@@ -7,6 +7,7 @@
     flex: 1 1 auto;
     -webkit-overflow-scrolling: touch;
     will-change: transform;
+    background-color: #fff;
 }
 
 .status {
diff --git a/assets/peertube.css b/assets/peertube.css
index 12f0071..c8256c9 100644
--- a/assets/peertube.css
+++ b/assets/peertube.css
@@ -7,6 +7,7 @@
     flex: 1 1 auto;
     -webkit-overflow-scrolling: touch;
     will-change: transform;
+    background-color: #fff;
 }
 
 .peertube-timeline__header {
diff --git a/assets/pixelfed.css b/assets/pixelfed.css
index f1844d5..f9a9841 100644
--- a/assets/pixelfed.css
+++ b/assets/pixelfed.css
@@ -7,6 +7,7 @@
     flex: 1 1 auto;
     -webkit-overflow-scrolling: touch;
     will-change: transform;
+    background-color: #fff;
 }
 
 /**