body {
    background-image: url("https://files.catbox.moe/37f1cf.jpg");
    background-color: #000000;
}

.box { 
    background-image: url("https://files.catbox.moe/q1xelz.jpg");
    background-attachment: scroll;
        background-color: #000000;
}

#header { 
    background-image: url("https://files.catbox.moe/q1xelz.jpg");
    background-attachment: scroll;
        background-color: #000000;
}