Add image as a background

CSS Codes Restaurant Menu
1

Add this code to the Custom CSS field on the Style tab of your Restaurant Menu widget’s settings:

[class*='RestaurantMenu__Component']  {
background-image: url("YOUR-URL");
background-repeat: no-repeat;
background-size: cover;
background-position: center;
}

Note: Do not forget to replace the url in the code with the link to your image