<div fxLayout="row" fxLayoutAlign="center center">
    <md-card class="login_form" fxLayout="column" fxLayoutAlign="center center" fxFlex="30%">
        
        <div class="input_div">
            <md-input [(ngModel)]="user.email" id="email" 
                    type="email" placeholder="admin@admin.com" class="validate"></md-input>
        </div>

<div>
  <md-card class="register_form" style="height:600px;">
    <div class="container" >
            <div class="title">
                Welcome
            </div>
            <div class="panel-body">
                <div class="row">
                    <div class="input-field col s12">
                        <md-input [(ngModel)]="user.email" id="email"
                            type="email" placeholder="admin@admin.com" class="validate"></md-input>
                    </div>
                </div>

                <div class="row">
                    <div class="input-field col s12">
                        <md-input [(ngModel)]="user.password" id="password"
                            type="password" class="validate" placeholder="admin"></md-input>
                    </div>
                </div>

                <span>{{errorMsg}}</span>
                <button (click)="login()"
                    class="btn waves-effect waves-light"
                    type="submit" name="action">Login</button>
            </div>
        </div>

        <span>{{errorMsg}}</span>
            
    </md-card>
</div>

<!-- <div fxLayout="row" fxLayoutAlign="center center">
    <md-card class="login_form" fxLayout="column" fxLayoutAlign="center center" fxFlex="30%">

        <div class="input_div">
            <md-input [(ngModel)]="user.email" id="email"
                    type="email" placeholder="admin@admin.com" class="validate"></md-input>
        </div>

<div>
  <md-card class="register_form" style="height:600px;">
    <div class="container" >
            <div class="title">
                Welcome
            </div>
            <div class="panel-body">
                <div class="row">
                    <div class="input-field col s12">
                        <md-input [(ngModel)]="user.email" id="email"
                            type="email" placeholder="admin@admin.com" class="validate"></md-input>
                    </div>
                </div>

                <div class="row">
                    <div class="input-field col s12">
                        <md-input [(ngModel)]="user.password" id="password"
                            type="password" class="validate" placeholder="admin"></md-input>
                    </div>
                </div>

                <span>{{errorMsg}}</span>
                <button (click)="login()"
                    class="btn waves-effect waves-light"
                    type="submit" name="action">Login</button>
            </div>
        </div>

        <span>{{errorMsg}}</span>

    </md-card>
</div> -->

Comment code to remove mdInput error
Comment code to remove mdInput error
