<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <form class="form-horizontal"> <fieldset> <!-- Form Name --> <legend>Calculo IMC</legend> <!-- Text input--> <div class="form-group"> <label class="col-md-4 control-label" for="textinput">Altura</label> <div class="col-md-4"> <input id="textinput" name="textinput" type="text" placeholder="altura" class="form-control input-md" required=""> <span class="help-block">Informe a altura em em CM</span> </div> </div> <!-- Text input--> <div class="form-group"> <label class="col-md-4 control-label" for="textinput">Peso</label> <div class="col-md-4"> <input id="textinput" name="textinput" type="text" placeholder="peso" class="form-control input-md" required=""> <span class="help-block">Informe seu peso em KG</span> </div> </div> <!-- Select Basic --> <div class="form-group"> <label class="col-md-4 control-label" for="selectbasic">Sexo</label> <div class="col-md-4"> <select id="selectbasic" name="selectbasic" class="form-control"> <option value="1">Masculino</option> <option value="2">Feminino</option> </select> </div> </div> <!-- Button (Double) --> <div class="form-group"> <label class="col-md-4 control-label" for="button1id"></label> <div class="col-md-8"> <button id="button1id" name="button1id" class="btn btn-success">Calcula</button> <button id="button2id" name="button2id" class="btn btn-danger">Cancela</button> </div> </div> </fieldset> </form>