Answer:
Vertical
Step-by-step explanation:
The vertical CSS design gives room for showing All the content is available on the webpage and also allow you to list all of your website's pages along the side of the page, whereas in the horizontal CSS design, a lot of of the website's pages are hidden and out of sight from view in drop down menus. In Choosing a vertical kind of CSS design she would be confident that her site will appear great on any screen resolution.