create 4 easy wordpress shortcodes

you should help me create 4 easy wordpress shortcodes. 1 .testimonial 1.1 Function naming use yfn at the beginning 1.2 this should be a shortcode combined with visual composer 1.3 it is better to use less to write css 1.4 it is better to use jquery to write js 1.5 create a custom post type called testimonial 1.6 testimonial post type only have meta box 1.7 meta box have the following items: author (text field), text(textarea), author description(text field),author image(image upload) 1.8 output testimonial as a slider [login to view URL] block 2.1 Function naming use yfn at the beginning 2.2 this should be a shortcode combined with visual composer 2.3 it is better to use less to write css 2.4 it is better to use jquery to write js 2.5 click VC shortcode icon , you can input your code in a textarea , and shortcode output it [login to view URL] bar 3.1 Function naming use yfn at the beginning 3.2 this should be a shortcode combined with visual composer 3.3 it is better to use less to write css 3.4 it is better to use jquery to write js 3.5 Shortcode should have progress value, title,background,color,height 3.6 when screen scroll to this position then the progress starts [login to view URL] login 4.1 Function naming use yfn at the beginning 4.2 this should be a shortcode combined with visual composer 4.3 it is better to use less to write css 4.4 it is better to use jquery to write js 4.5imitate wordpress official login screen