body {
    background-color: rgb(0, 0, 0);
    color: rgb(255, 255, 255);
    font-family: Verdana;
    cursor: url('cursor.png'), auto;
    background-image:url('asset autre/fondbtb.gif');
    background-position: center;
    background-size: cover;
    background-position: center;
     background-repeat: no-repeat;
    background-size: cover;
    text-align:center;
    }