<main>
=CODE=
<video controls width="250">
<source src="m18.mp4" type="video/mp4">
<source src="m18.mp4" type="video/webm">
<p>Your browser doesn't support HTML5 video. Here is a <a href="myVideo.mp4">link to the video</a> instead.</p>
<video> 要素のシンプルな使い方
小鳥のさえずり動画、上の🐦押すと隠れた説明飛び出す
<main>
=CODE=
<video controls width="250">
<source src="m18.mp4" type="video/mp4">
<source src="m18.mp4" type="video/webm">
<p>Your browser doesn't support HTML5 video. Here is a <a href="myVideo.mp4">link to the video</a> instead.</p>
<side>
=CODE=
<video controls autoplay muted width="250" src="m18.mp4">