HTML attempting validation in a modal with angular-wizard

gistfile1.txt

<!-- Modal -->
<div class="modal fade" id="register" role="dialog" ng-controller="regCtrl">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <!-- <h4>Registration</h4> -->
                <br>
                <br>
            </div>
            <wizard on-finish="finishedWizard()">
                <wz-step title="General Info">
                    <!-- <h1>This is the first step</h1> -->
                    <!-- <p>Here you can use whatever you want. You can use other directives, binding, etc.</p> -->
                    <!-- <input type="submit" wz-next value="Continue" /> -->


                    <div class="modal-body">
                        <div class="form-group">
                            <form name="registration">
                                <!-- class="form-horizontal" role="form" -->
                                <br>
                                <!-- <ng-form name="generalInfo"> -->
                                <div class="form_group">
                                    <div class="row">
                                        <label for="contact-name" class="col-lg-2 control-label">First Name:</label>
                                        <div class="col-lg-4">
                                            <input type="text" name="firstName"class="form-control" id="contact-name" placeholder="Jane/John" ng-model="firstName">
                                        </div>

                                        <label for="contact-name" class="col-lg-2 control-label">Last Name:</label>
                                        <div class="col-lg-4">
                                            <input type="text" name="lastName" class="form-control" id="contact-name" placeholder="Doe" ng-model="lastName">
                                        </div>
                                    </div>
                                </div>
                                <div class="form=group">
                                    <div class="row">
                                        <label for="contact-email" class="col-lg-2 control-label">Email:</label>
                                        <div class="col-lg-10">
                                            <input type="email" name="email" class="form-control" id="contact-email" required placeholder="you@gmail.com" ng-mode="userName" ng-minLength=3>
                                        </div>
                                    </div>
                                </div>
                                <br>
                                <div class="form=group">
                                    <div class="row">
                                        <label for="contact-email" class="col-lg-2 control-label">Age:</label>
                                        <div class="col-lg-4">
                                            <!-- Single button -->
                                            <input type="number" class="form-control" min="18" max="115" id="contact-age" required placeholder="18" ng-model="userAge">
                                        </div>
                                    </div>
                                </div>
                        </div>
                        <!-- <div class="btn-group"> -->
                        <!-- <div class="modal-footer"> -->
                        <ul class="pager">
                            <li>
                                <small class="error" ng-show="true">
                                    Email and Age are required
                                </small>
                                <br><br>
                                <a>
                                    <input class="btn btn-primary navbar-btn" type="submit" id="contactInfo" ng-click="validateContact()" value="next" wz-next></input>
                                </a>
                            </li>
                        </ul>
                        <!-- </ng-form> -->
                        </form>
                        <!-- </div> -->
                        <!-- </form> -->

                        <!-- </div> -->
                        <!-- <div class="modal-footer">
                            <a class="btn btn-default" data-dismiss="modal">Close</a>

                        </div> -->
                    </div>

                </wz-step>