diff --git a/source/css/layout/article-post.styl b/source/css/layout/article-post.styl
index 33884ff..ab4e764 100644
--- a/source/css/layout/article-post.styl
+++ b/source/css/layout/article-post.styl
@@ -47,6 +47,10 @@
       color: #5F5F5F;
       font-size: 16px;
     }
+
+    img {
+      width: 100%;
+    }
   }