Which class create a list of item ?

 What appends the popover to specific elements?
 

What are Glyphicons primarily used for?

  Which plugin allows the element to become locked or sticky?
 

 Which class should be used to indicate a button group? 

  Which of the following groups button together on a single line?
 

Nested _______ should include a set of _______ that add up to 12 or fewer.

For inserting plain text in a form, we use which of the following classes?

A big challenge with responsive design is finding a balance between the content needs for both mobile and desktop. A desktop site has a lot of visual real estate that is often filled with carousels, videos, large parallax background images, and large blocks of text. 

Statement 1: The vertical-align CSS property affects inline, inline-block, inline-table, and table cell elements.

Statement 2: We can choose from .align-baseline, .align-top, .align-middle, .align-bottom, .align-text-bottom, and .align-text-top as needed.