start.css

body {
    width: 930px;
    text-align: center;
    color: aliceblue;
}

.background {
    background-image: url("https://images-wixmp-ed30a86b8c4ca887773594c2.wixmp.com/f/a7018daf-b329-4d31-8fe3-42efa896a2e7/deae6j7-f1bd0097-d153-4f30-8735-5f8d4ad42de6.jpg/v1/fill/w_1192,h_670,q_70,strp/_i_tried__jeopardy__2011_2012__template_background_by_jamelovesfonts11_deae6j7-pre.jpg?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJ1cm46YXBwOjdlMGQxODg5ODIyNjQzNzNhNWYwZDQxNWVhMGQyNmUwIiwiaXNzIjoidXJuOmFwcDo3ZTBkMTg4OTgyMjY0MzczYTVmMGQ0MTVlYTBkMjZlMCIsIm9iaiI6W1t7ImhlaWdodCI6Ijw9NzIwIiwicGF0aCI6IlwvZlwvYTcwMThkYWYtYjMyOS00ZDMxLThmZTMtNDJlZmE4OTZhMmU3XC9kZWFlNmo3LWYxYmQwMDk3LWQxNTMtNGYzMC04NzM1LTVmOGQ0YWQ0MmRlNi5qcGciLCJ3aWR0aCI6Ijw9MTI4MCJ9XV0sImF1ZCI6WyJ1cm46c2VydmljZTppbWFnZS5vcGVyYXRpb25zIl19.Yegd0YWYjKmqtd22vq4APoa9-qw3V_2S0VJu0K-HhKk");
    height: 700px;
    background-repeat: no-repeat;

}

.startBtn {
    color: aliceblue;
    font-size: 3em;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
    margin: 10px 300px 0 300px;
    border: 5px solid black;
    border-radius: 10px;
    background: linear-gradient(black, blue, black);
    position: relative;
    bottom: -200px;
}