app/templates/skeleton/app/modules/configuration/identity/partial/login.html
<div class="row">
<div class="col-md-4 col-md-offset-4">
<div class="panel panel-default">
<div class="panel-heading" translate>AUTH.LOGIN.TITLE</div>
<div class="panel-body">
<div class="alert alert-danger" ng-show="authenticationError">
<strong translate>AUTH.LOGIN.INVALID_CREDENTIALS</strong>
</div>
<form>
<div class="form-group">
<input ng-model="user.username" type="text" class="form-control" id="username" placeholder="{{ 'AUTH.LOGIN.USERNAME' | translate }}">
</div>
<div class="form-group">
<input ng-model="user.password" type="password" class="form-control" id="password" placeholder="{{ 'AUTH.LOGIN.PASSWORD' | translate }}">
</div>
<button ng-click="signIn(user.username, user.password)" type="button" class="center-block btn btn-success" title="{{ 'AUTH.LOGIN.ACTION' | translate }}">
<i class="fa fa-sign-in"></i>
</button>
</form>
</div>
</div>
</div>
</div>