* {
	margin: 0;
	padding: 0;
}

.hero {
height: 100%;
width: 100 %;
background-image: linear-gradient(rgba(0,0,0,0.4),rgba(0, 0, 0, 0.4)),url('images/ocean.jpg'); 
background-position: center;
background-size: cover;
position: absolute;
}