diff --git a/gulp/res/css/style.css b/gulp/res/css/style.css
index c43fcc6d..9f351f8a 100644
--- a/gulp/res/css/style.css
+++ b/gulp/res/css/style.css
@@ -119,6 +119,9 @@ pre {
 .aa {
 	font-family: Monapo, Mona, 'MS Pgothic', 'MS P繧ｴ繧ｷ繝�け', IPAMonaPGothic, 'IPA 繝｢繝翫� P繧ｴ繧ｷ繝�け', submona !important;
 	font-size: 16px;
+	display: block;
+	overflow-x: auto;
+	white-space: pre;
 }
 
 .code:not(.hljs) {