body {
    margin: 0;
    padding: 0;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    
}
.bgImage{
    background-image: url(bgİmage.jpg);
    background-repeat: no-repeat;
    background-size: 100%;
    width: 100% !important;
    height: 100vh !important;
    position: fixed;
    top: 0;
    z-index: -1;
}
.showButton{
    display: block !important;
}