diff --git a/src/preview/index.html b/src/preview/index.html
index edd113e..f963304 100644
--- a/src/preview/index.html
+++ b/src/preview/index.html
@@ -3,11 +3,6 @@
 <head>
   <meta charset="UTF-8">
   <title>CV</title>
-  <style>
-    .cv-container {
-      border-right: 1px solid #ddd;
-    }
-  </style>
   <link rel="stylesheet" href="../scss/cv-base.css">
 </head>
 <body>
diff --git a/src/scss/editor/index.scss b/src/scss/editor/index.scss
index f70ee77..5b9bc09 100644
--- a/src/scss/editor/index.scss
+++ b/src/scss/editor/index.scss
@@ -113,8 +113,10 @@ button {
 
 .output-html {
   // set a fixed size so that responsive styles won't be applied in the iframe
-  width: 801px;
+  width: 795px; // 210mm ≈ 793px
   height: 100%;
+  margin: 0; padding: 0; border: 0;
+  border-right: 1px solid var(--grey-2);
 }
 
 .output-json {
