Use the .form-label and .form-control through create basic form.
                       Use the .form-floating through create floating form.
 .form-select to trigger the custom styles. You may also choose from small and large custom selects to match our similarly sized text inputs. class:- [form-select-lg/form-select-sm].
                       Set heights using classes like .form-control-lg and .form-control-sm.
                       For default file/multiple file/disabled file/small file/large file input for use <input> with (type='file').
                       Use the .btn-square through defined 0px border-radius.
                       Give textual form controls like <input>s and <textarea>s an upgrade with custom styles, sizing, focus states, and more.
                       Give textual form controls like <input>s and <textarea>s an upgrade with custom styles, sizing, focus states, and more.
                       Use the .btn-pill through defined border-radius.
                       Use the input-air-* through defined bottom box-shadow.