$("#exampleform").kendoForm({
                formData: {
                    FirstName: "John",
                    LastName: "Doe",
                    Email: "john.doe@email.com",
                    Country: "1",
                    City: "Strasbourg",
                    AddressLine: ""
                },
                layout: "grid",
                grid: {
                    cols: 2,
                    **gutter: 50**
                },
                items: [
                    {
                        type: "group",
                        label: "Personal Information",
                        layout: "grid",
                        grid: { cols: 1, **gutter: 50** },
                 //...

<style>
 /*columns gap */
  .k-form .k-form-layout {
    column-gap: 50px;
  }
 /*rows margin*/
  .k-form-md .k-form-field, .k-form-md .k-form-buttons {
    margin-top: 50px;
  }
</style>