Update style.css

style.css

@@ -28,14 +28,14 @@ p {
 }
 
 @media (prefers-color-scheme: dark) {
-  .html {
+  .html, body {
     background: black;
     color: gray;
   }
 }
 
 @media (prefers-color-scheme: light) {
-  .html {
+  .html, body {
     background: yellow;
   }
 }