body {
    margin: 0 auto;
    overflow: hidden;
    background-repeat: no-repeat;
    background-size: contain;
    background-color: black;
    background-image: url(background.jpg);
}
.container {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 3;
    text-align: center;
}
h1 {
    margin-top: 120px;
}
h1, h3, h4 {
    vertical-align: middle;
    color: white;
    opacity: 1;
    font-family: 'Raleway', sans-serif;
    text-shadow: 2px 2px grey;
}