body {
    background-color: #121212;
}

#container {
    color: #ffffff;
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    left: 50%;
    position: absolute;
    text-align: center;
    top: 50%;
    transform: translate(-50%,-50%);
}

#container h1 {
    font-size: 5rem;
}
#container h2 {
    font-size: 2.5rem;
}