diff --git a/script.js b/script.js
index e99024f..74cdd79 100644
--- a/script.js
+++ b/script.js
@@ -6,6 +6,7 @@ document.addEventListener("DOMContentLoaded", () => {
         xhr.onreadystatechange = () => {
             let video = document.createElement("video");
             video.id = "video-player";
+            video.className = "video-js";
             body.appendChild(video);
             let ctype = xhr.getResponseHeader("Content-Type");
             let player = videojs("video-player");