body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-image: url("../images/bg.png");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: top;
    position: relative;
    background-attachment: fixed;
}
/* .box{
     background-image: url("../images/bg3.png");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: top;
    position: relative;
    background-attachment: fixed;
} */