ssdemajia/index.html

## index.html
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>
<body>
  <div class="container">
    <div class="inner">
      sssss
    </div>
  </div>
</body>

<style>
  #drag {
    background-color: aquamarine;
    position: absolute;
    width: 100px;
    height: 100px;
  }
  .container {
    width: 300px;
    height: 200px;
    border: 3px solid #548612;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .inner {
    border: 3px solid #458761;
    padding: 20px;
  }
</style>
</html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<meta http-equiv="X-UA-Compatible" content="ie=edge">
	<title>Document</title>
	</head>
	<body>
	<div class="container">
	<div class="inner">
	sssss
	</div>
	</div>
	</body>

	<style>
	#drag {
	background-color: aquamarine;
	position: absolute;
	width: 100px;
	height: 100px;
	}
	.container {
	width: 300px;
	height: 200px;
	border: 3px solid #548612;
	display: flex;
	align-items: center;
	justify-content: center;
	}
	.inner {
	border: 3px solid #458761;
	padding: 20px;
	}
	</style>
	</html>