Forms in Bootstrap are styled using the .form-control, .form-label, .form-check, and .btn classes. You can easily build clean, responsive form UIs without writing extra CSS.
Official docs: Bootstrap Forms Docs
Type or edit the form code below and preview it live:
.form-label with inputs, use .form-control for text fields, and .form-check for checkboxes. The .mb-3 class adds margin spacing between fields.