Creating OnePage Navigation in Theme HashOne

Here is the process. Create OnePage Navigation in Theme HashOne

Go to Appearance -> Menu
Add the custom menu from the right sidebar as in the below screenshot.
The custom menu should be in the following structure
http://youwebsiteurl.com/#section_name

Here are the section name for different sections
1. Slider Section – #hs-home-slider-section
2. About Us Section – #hs-about-us-section
3. Featured Post Section – #hs-featured-post-section
4. Portfolio Section – #hs-portfolio-section
5. Service Section – #hs-service-post-section
6. Team Section – #hs-team-section
7. Counter Section – #hs-counter-section
8. Testimonial Section – #hs-testimonial-section
9. Blog Section – #hs-blog-section
10. Client Logo Section – #hs-logo-section
11. Contact Section – #hs-contact-section