HTML:
<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<title>How to Make a website</title>
<link href = "Lstyle.css" rel = "stylesheet" type = "text/css" />
</head>
<body>
<div class="banner">
</body>
</html>
CSS:
*{
margin: 0;
padding: 0;
font-family: sans-serif, arial, helvetica;
}
.banner{
width: 100%;
height: 100vh;
background-image: linear-gradient(rgba(0,0,0,0.75), rgba (0,0,0,0.75))url("images/qwerty.jpg");
background-size: cover;
background-position: center;
}