Note: Inputs will NOT be fully styled if their type is not properly declared! size 'sm' | 'lg' Control the size of buttons and form elements from the top-level. For example, heres how one might add a Spanish translation (Spanishs language code is es): Heres lang(es) in action on the custom file input for a Spanish translation: Youll need to set the language of your document (or subtree thereof) correctly in order for the correct text to be shown. html css twitter-bootstrap twitter-bootstrap-3. , or something else) with nothing more than the Use these classes to opt into their customized displays for a more consistent rendering across browsers and devices. Example file input Copy <form> <div class="form-group"> <label for="exampleFormControlFile1">Example file input</label> <input type="file" class="form-control-file" id="exampleFormControlFile1"> </div> </form> Sizing Set heights using classes like .form-control-lg and .form-control-sm. Remember to place