body {
    background-image: url(bg.png);
    background-repeat: no-repeat;
    background-size: cover;
}
h1 {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 48px;
    text-align: center;
    color: #fff;
}
.container {
    display:flex;
    align-items: center;
    flex-flow: column;
}
img {
    padding-top:28px;
    width: 250px;
}