<b>
        <form role="form" name="form" id="form" ng-submit="loginValidate()">
<div class="jumbotron">
<div class="form-group">
<label>Username &nbsp;</label> <input class="form-text" type="text" ng-model="username" name="username" />
</div>
<div class="form-group">
<label>Password &nbsp;</label> <input class="form-text" type="text" ng-model="password" name="password" />
</div>
<div>
<p>
<button type="submit" class="btn btn-primary"
ng-click="submitted=true" ng-disabled="form.$invalid">Login</button>
</p>
</div>
</form>
<b>

<b>
<form role="form" name="form" id="form" ng-submit="loginValidate()">
<div class="jumbotron">
<div class="form-group">
<label>Username &nbsp;</label> <input class="form-text" type="text" ng-model="username" name="username" required />
</div>
<div class="form-group">
<label>Password &nbsp;</label> <input class="form-text" type="text" ng-model="password" name="password" required />
</div>
<div>
<p>
<button type="submit" class="btn btn-primary"
ng-click="submitted=true" ng-disabled="form.$invalid">Login</button>
</p>
</div>
</form>
<b>