Divs, which act like glass sheets, can hold other HTML elements such as text objects. A CSS property named z-index determines the order in which divs appear when you stack one on top of another.

CSS, or Cascading Style Sheets, defines the look and formatting of that HTML. Both are essential to coding your own website, and here's how to get acquainted with them.

Overlapping Text on Web Pages. No two ways about it – overlapping text is bad. When text overlaps on a page, it's confusing and can make the page entirely unreadable.