.body{ 
  border: 5px dashed #000;
	height: 250px;
	overflow: scroll;
	width: 250px;
	margin: 0px auto;
	margin-top: 20px;
	Margin-bottom: 10px;
	padding: 10px;
	text-align: center;
}
body {
  background-color: beige;
}

.header {
  width: 300px;
  border: 5px solid #000;
  margin: 0px auto;
  margin-bottom: 30px;
}