hi @Saagar_Bellani you have everything you need in this project. When you clone this project you can study it in detail. Javascript you need for timing is in page setting. All you have to do is just move top to side.
Hi @Saagar_Bellani most common approach to create vertical line is to use HTML and CSS. As there is many ways how to you can search internet to find the way it will suite you. Using image is let say not good practice.