diff --git a/static/css/main.css b/static/css/main.css
index be639f4..c6ddd85 100644
--- a/static/css/main.css
+++ b/static/css/main.css
@@ -239,8 +239,9 @@ h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
     font-family: "Source Sans Pro", "Kozuka Gothic Pr6N", Meiryo, sans-serif !important;
 }
 
-article img {
+article section img {
     max-width: 100%;
     height: auto;
+    margin: 13px auto;
 }