main.css

body {
	background: url("https://www.linkpicture.com/q/background_5.jpg"); /* Links to your background image, which you can also replace with a URL. */
	background-size: cover; /* Image covers page. */
	background-repeat: no-repeat; /* Image does not repeat. */
	background-attachment: fixed; /* Image doesn't move when you scroll up or down. */
	background-position: top;
	text-align: center;
	color: white; /* Text color. */
	font-family: 'Avenir', sans-serif; /* Font: sans-serif included in case browser doesn't support first option. */
}

h1 {
	font-size: 100px;
}

h2 {
	font-size: 40px;
}

/* This just centers the header container vertically on the page. */
.container-fluid {
	height: 700px;
	width: 100%;
	
	position: absolute;
	top:0;
	bottom: 0;
	left: 0;
	right: 0;
	margin: auto;
}

/* Styling for icons. */
.fa {
	color: white;
	margin: 10px 5px;
	font-size: 3em !important;
}

.footer {
	position: absolute;
	bottom: -300%;
	width: 100%;
}