diff --git a/source/_posts/view-image-dark-reader-firefox.md b/source/_posts/view-image-dark-reader-firefox.md
index e03bca7..d003365 100644
--- a/source/_posts/view-image-dark-reader-firefox.md
+++ b/source/_posts/view-image-dark-reader-firefox.md
@@ -33,10 +33,6 @@ The above CSS is to override the default CSS used by FF to display an image. The
 
 ```css
 @media not print {
-  body {
-    margin: 0;
-  }
-
   img {
     text-align: center;
     position: absolute;
@@ -46,6 +42,7 @@ The above CSS is to override the default CSS used by FF to display an image. The
     bottom: 0;
     left: 0;
   }
+}
 ```
 
 The `bottom: 0;` rule is the source of the issue, though it's more of a compatibility issue between DR and FF.