body {
    background-image: url("https://ornateclumsytransfer.evankristanto.repl.co/BANNER.jpg");
    background-size: cover;
    align-items: center;
    justify-content: center;
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
    height: 100%;
}

body2 {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: auto;
    margin-right: auto;
    margin-top: 7%; 
    margin-bottom: 5%;
}