Alex, a web designer, is assigned the task of creating a mobile-device-friendly website for a leading fashion outlet called AllStyles. A desktop version of AllStyles's website already exists. Alex can refer to this desktop version of the website to create the mobile website design.

For the AllStyles's main web page, Alex creates a navigation bar that includes topical areas named Clothing, Accessories, and About Us. Alex wants to create nested lists within each of these topical areas that would contain links to specific pages on the AllStyles website. In order to do so, Alex must _____ while writing the HTML code.

	a.	put each of the nested lists within a class
	b.	set the width of the layout viewport to the width of the nested lists
	c.	insert the structure of the nested list within a specific style sheet structure
	d.	use the only keyword to hide the list items