Theme Tweaker lets you modify the colors in your theme with no CSS/PHP editing.
As woocomerce with owl carousel is a jquery carousel plugin for WordPress site. This plugin will create a nice Carousel for your Woocomerce Theme web
As nice scroll is a jquery plugin for WordPress site. This plugin will create a nice scrollbar for your site.
AS login you can fully customize wordpress login page.
Theme selection based on post category and post id. If it exists, themefile single-category-(category id).php and single-post-(post id).php is used