How to remove the box shadow effect from my embedded form?

is there a way to remove the drop shadow on the forms when they are embedded on a website?

Please inject this CSS code to your form: 

.supernova .form-all{

    box-shadow: 0 0 0 rgba(0, 0, 0, 0) !important;    

}

This guide will help you to inject it: How-to-Inject-Custom-CSS-Codes