body {
    background-image: url(https://thumbs.dreamstime.com/b/pizza-seamless-pattern-vector-pizza-pattern-abstract-background-background-useful-restaurant-identity-packaging-89205691.jpg);
    /*margin:auto;*/
}

form {
    /*margin: auto;*/
    margin: 3% 10%;
    text-align: center;
    background-color: white;
    border: solid black;
    justify-content: center;
   /* height: 922px;*/
}

.center-gridview {
    margin: 0 auto; /* Set left and right margins to 'auto' */
    width: 80%; /* Adjust the width based on your preference */
}