<form name="login-form" id="sidebar-login-form" class="standard-form blanco" action="http://example.com" method="post">

    <label><?php _e( 'User:', 'buddypress' ) ?>
    <input type="text" name="log" id="sidebar-user-login" class="input negro" style="width: 130px;" value="<?php echo esc_attr(stripslashes($user_login)); ?>" tabindex="97" /></label>

    <label><?php _e( 'Password:', 'buddypress' ) ?>
    <input type="password" name="pwd" id="sidebar-user-pass" class="input negro" style="width: 130px;" value="" tabindex="98" /></label>

    <?php do_action( 'bp_sidebar_login_form' ) ?>
        <input type="submit" name="wp-submit" id="sidebar-wp-submit" class="negro" value="<?php _e('Log In'); ?>" tabindex="100" />
        <input type="hidden" name="testcookie" value="1" />

</form>