diff --git a/src/themes/basic/_layout.css b/src/themes/basic/_layout.css
index 314daa1..67f6db9 100644
--- a/src/themes/basic/_layout.css
+++ b/src/themes/basic/_layout.css
@@ -24,8 +24,6 @@ body {
 
 img {
   max-width: 100%;
-  display: block;
-  margin: 0 auto;
 }
 
 /* navbar */