What is a horizontal menu?
A horizontal website navigation bar is a list of links at the top of each page. It may be above, below, to the left or to the right of the header or logo, but it is always placed before the main content of the page and is consistent on every page.
What is vertical menu?
All the content is visible Vertical menus allow you to list all of your website's pages along the side of the page, while in a horizontal menu many of the website's pages are hidden from view in drop down menus. This makes vertical menus easier for website navigation and a great option for long, single-page websites.
How do I make a vertical menu horizontal in HTML?
"First, take out all the mentions of a "width". You're going to want your menu to span your page not be restricted to the 180px in the current version. elements to lay in-line with each other, instead of stack top to bottom. So, add display:inline to #vertmenu li.