As nice scroll is a jquery plugin for WordPress site. This plugin will create a nice scrollbar for your site.

This plugin allows you to easy customize your login WordPress Dashboard using API customizer.

Gives you the ability to temporarily disable user accounts without having to delete them.

Enables a completely customizable WordPress login, registration and password form.

AS login you can fully customize wordpress login page.

This plugin enables users to personalize their WordPress login screen by replacing the default WordPress logo with their own custom logo.