Code for a few simple website ellements (HTML, CSS, jQuery)

Hello,

I need help with the coding of a few simple elements. that we can insert on the website, they will be in the announcement bar style and will have different use cases. (PSD can also be provided if needed)
- announcement bar (simple, only text and button)
- announcement bar coupon code
- -//- countdown
- value to add to the cart in order to receive a reward (2 slides: before threshold/after threshold)

Here is a more relevant brief:
https://docs.google.com/presentation/d/1OEJfGDK9BQO98YqiipEJE9X4025Ca82lS0VWHqW-FDc/edit?usp=sharing

Let me know your best offer and how long it would take.

Thank you,
Constantin