html, body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    height: 100%;
}

html {
	height: 100%;
	background: #000000 url("background.jpg") no-repeat center top fixed;
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
}

div.background {
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

div.banner {
    margin-top: auto;
    margin-bottom: auto;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

h1 {
    color: white;
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    font-size: 42pt;
}