How to remove space at top of form?

I did check your form you have in your account and found it just has little blank space on top. Please inject the following custom css code in form to remove the blank space from top:

.form-header-group.hasImage {

    margin-top: -10px !important;

}

The following guide should help you how to inject custom css code in form:  https://www.jotform.com/help/117-How-to-Inject-Custom-CSS-Codes 

Have you embedded your form in any webpage where you are having this issue with?Please share the webpage URL and we will take a look. 

We will wait for your response.