html, body {
    background-color: black;
    width: 100vh;
    height: 100vh;
}

div.container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
div.container h3 {
    color: white;
}

div.container h1 {
    color: #f67047;
}