diff --git a/default_environment/stylesheet/main.css b/default_environment/stylesheet/main.css
index a9b257a..0dcdd99 100644
--- a/default_environment/stylesheet/main.css
+++ b/default_environment/stylesheet/main.css
@@ -1,13 +1,13 @@
 :root {
   --main-max-width: 800px;
-  --site-background-color: #0a0a0a;
+  --site-background-color: #1f1f1f;
   --site-text-color: #fffffc;
   --header-divider-color: #6a687a;
 
   --stream-divider-color: #6ccff6;
-  --stream-post-background-color: #1f1f1f;
+  --stream-post-background-color: #0a0a0a;
 
-  --blog-post-background-color: #1f1f1f;
+  --blog-post-background-color: #0a0a0a;
 
   --src-font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo,
     Consolas, "DejaVu Sans Mono", monospace;
@@ -26,14 +26,14 @@
 
 @media (prefers-color-scheme: light) {
   :root {
-    --site-background-color: #f5f5f5;
+    --site-background-color: #e0e0e0;
     --site-text-color: #000003;
     --header-divider-color: #959785;
 
     --stream-divider-color: #933009;
-    --stream-post-background-color: #e0e0e0;
+    --stream-post-background-color: #f5f5f5;
 
-    --blog-post-background-color: #e0e0e0;
+    --blog-post-background-color: #f5f5f5;
 
     --src-block-background-color: #ebebeb;
     --src-block-border-color: #7b7d70;