vendor-app/src/app/login/login.component.html

<div class="container">

    <section class="form">

        <header> Vendor App Login </header>

        <div class="input-holder">
            <label> Username </label>
            <input type="text" placeholder="Enter username" [(ngModel)]="credentials.username">
        </div>

        <div class="input-holder">
            <label> Password </label>
            <input type="password" placeholder="Enter Password" [(ngModel)]="credentials.password">
        </div>

        <div class="input-holder">
            <label> Login Type </label>
            <select [(ngModel)]="credentials.login_type">
                <option *ngFor="let type of login_types" [value]="type"> {{ type }} </option>
            </select>
        </div>

    	<button class="rect-button" (click)="requestAuthentication()"> Login </button>

        <p *ngIf="errorMessage" class="error"> {{ errorMessage }} </p>

    </section>

</div>