The button is generated and positioned with ::after. Handles the input's rounded corners when using form validation. Unfortunately we cant build a custom one from just the because CSSs content doesnt work on that element. 213,341 Solution 1. We will use Bootstrap and JQuery to do this. In case you want to create your custom form, have a look at specific pages of our documentation from the list below or use our Form Builder: Set heights using classes like .form-control-lg and As such, our s and