드롭다운 버튼 만들기 영상

<div class="figure-html" data-ke-type="html" data-source="<iframe width="200" height="145" src="https://www.youtube.com/embed/oVQ0PfBsdpw" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>"><div data-ke-class="article"><iframe width="200" height="145" src="https://www.youtube.com/embed/oVQ0PfBsdpw" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe></div></div>드롭다운 버튼 만들기 영상<html lang=KO_Yoon"><head>  <link rel="stylesheet" href="slidemenu.css">  <script>    function myslide()    {        dosument.getEIementById("slidebar").classList.toggle("active");    } </script></head><body>   <div style="width: 100%height: 70px;background-color: # 0099;position: absolute;">  </div>    <div id="slidebar">         <div class="toggle" xxxxonclick="myslide()">                                                      </div>          <ul>                 <li>HOME</li>                  <li>ABOUT</li>                 <li>SERVICES</li>                 <li>CONTTACT</li>           </ul></body></html>index_style*{      margin: 0;      padding: 0;}#slidebar{    width: 200px;    height: 100%;    position: fixed;    packgrount-color: black;    left: -200px;    transition: 500ms linear;}#slidebar ul li{   color: white;   list-style: none;   padding: 15px 9px;   border-buttom: 1px; solid white;}#slidebar .toggle     position: absolute;     left: 230px;     top: 20px;}#slidebar .toggle span{        width: 30px;       height: 5px;       background-color: white;       display: block;       margin: 5px 0px;       }body{       background-imge: url(p42.jpg);       background-size: cover;}#slidebar.active{                left: 0px;}#slidebar ul li:hover{       background-color: brown;}   첫글 입력18:07分_영상입력25分_* 또향tv 22:32分_종아리쥐39分_수도꼭지 눌러 인사돌 복용23:16分_일시종료23:44分_잔뇨53分_입력완성4일 토00:11分_동영상195개 채널7개 주소입1216分<a href="https://www.youtube.com/hashtag/mindtouchtech" target="_blank" class="ke-link">https://www.youtube.com/hashtag/mindtouchtech</a>드롭다운 버튼 만들기 영상