header{
	margin:20px;
	padding:20px;
	position:absolute;
	left: ;
	background-color:grey;
	width: 300px;
	height: auto;
	border: 1px solid black;
	}

	.button {
	  background-color: white;
	  color: black;
	  border: 1px solid black;
	  border-radius: 4px;
	}

	.button:hover {
	  background-color: black;
	  color: white;
	  border: 1px solid white;
	  border-radius: 4px;
	}
  section {
  		position:absolute;
  		background-color: grey;
  		width: 300px;
  		height: auto;
  		border: 1px solid black;
  		padding: 20px;
  		margin: 20px;
			top: 300px;

}