diff --git a/src/main/webapp/WEB-INF/jsp/web/main/mainPage.jsp b/src/main/webapp/WEB-INF/jsp/web/main/mainPage.jsp
index 090a489e..97bdbae0 100644
--- a/src/main/webapp/WEB-INF/jsp/web/main/mainPage.jsp
+++ b/src/main/webapp/WEB-INF/jsp/web/main/mainPage.jsp
@@ -185,7 +185,7 @@ function instrChk(){
 	</c:if>
 	
 	<!-- main_content -->
-	<div class="container main">
+	<div class="container main" id="sub">
 		<!-- visual -->
 		<div class="visual_slide swiper">
 			<button type="button" class="btn_prev_slide">이전 슬라이드</button>