body{
	margin: 0px;
}

.container{
	border: 5px solid pink;
	position: absolute;
	top: 50px;
	left: 200px;
	height: 400px;
	width: 350px;
}

.header{
	height: 50px;
	background-color: green;
	position: absolute;
	z-index: 3;

	top: 0px;

	width: 100%;
}

.display{
	background-color: blue;
	height: 100%;
	border-top: 50px solid red;
}

.content{
	background-color: yellow;
	height: 100%;
}

Expressionless Vertical Fill 2 CSS

CSS