<meta charset="utf-8">
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet"/>

<div style="width: 200px; padding: 10px;">
    <form action="https://id45334.u-on.ru/login.php" method="POST" target="_blank">
        <div class="form-group">
            <img src="https://id45334.u-on.ru/images/logo.png" />
        </div>
        <div class="form-group">
            <input type="email" name="login" class="form-control input-sm" placeholder="Введите e-mail">
        </div>
        <div class="form-group">
            <input type="password" name="password" class="form-control input-sm" placeholder="Введите пароль">
        </div>
        <button type="submit" name="sbm" class="btn btn-success btn-sm">Войти</button>
    </form>
</div>