diff --git a/Dance/Blues/Instruction_Video/Bluesroom/new-page/0_abcd_esdf.html b/Dance/Blues/Instruction_Video/Bluesroom/new-page/0_abcd_esdf.html
index a9b255e..896bdc5 100644
--- a/Dance/Blues/Instruction_Video/Bluesroom/new-page/0_abcd_esdf.html
+++ b/Dance/Blues/Instruction_Video/Bluesroom/new-page/0_abcd_esdf.html
@@ -2,7 +2,7 @@
 title: abcd edsdf
 description: 
 published: true
-date: 2026-04-23T08:24:27.873Z
+date: 2026-04-23T08:26:11.520Z
 tags: 
 editor: code
 dateCreated: 2026-04-23T05:48:59.751Z
@@ -11,7 +11,18 @@ dateCreated: 2026-04-23T05:48:59.751Z
 <h1>1_Basic Turns Course</h1>
 <hr>
 <iframe src="https://video.terbits.xyz/player.html?src=videos/Bluesrooms/Begginer%20Survival%20Kit/Basic%20Turns/1_Basic%20Turns%20Course.mp4" width="60%" height="420" frameborder="0" allowfullscreen allow="autoplay; fullscreen"></iframe>
-
+<style>
+.responsive-video {
+  /* 데스크톱에서는 80%, 모바일에서는 100% 등으로 조절 가능 */
+  width: 100%; 
+  /* 16:9 비율 유지 (영상 표준) */
+  aspect-ratio: 16 / 9; 
+  /* 가로 너비가 너무 커지는 것 방지 */
+  max-width: 800px; 
+  display: block;
+  margin: 0 auto;
+}
+</style>
 <hr>
 <p>COURSE: Basic Turns</p>
 <p>FOCUS: This lesson teaches the inside turn in dance, focusing on proper technique for leaders and followers to execute the turn smoothly and return to close position.</p>