CSS

Question 1

What are the names of the individual pieces of a CSS rule?

Answer 1

The selector and declaration block.

Question 2

In CSS, how do you select elements by their class attribute?

Answer 2

You put a . in front of the name of the class.

Question 3

In CSS, how do you select elements by their type?

Answer 3

The name of the element.

Question 4

In CSS, how do you select an element by its id attribute?

Answer 4

in front of the attribute.

Question 5

Name three different types of values you can use to specify colors in CSS.

Answer 5

RGB values, hex codes, and color names.

Question 6

What CSS properties make up the box model?

Answer 6

Margins, borders, padding, and the content.

Question 7

Which CSS property pushes boxes away from each other?

Answer 7

Margin

Question 8

Which CSS property add space between a box’s content and its border?

Answer 8

Padding

Question 9

What is a pseudo-class?

Answer 9

A keyword added to a selector that specifies a special state of the selected element.

Question 10

What are CSS pseudo-classes useful for?

Answer 10

Styling an element when a user mouses over it. Makes the web page feel more interactive.

Question 11

Name two types of units that can be used to adjust font-size in CSS.

Answer 11

Px and em

Question 12

What CSS property controls the font used for the text inside an element?

Answer 12

Font-family

Question 13

What is the default flex-direction of a flex container?

Answer 13

row

Question 14

What is the default flex-wrap of a flex container?

Answer 14

nowrap

Question 15

Why do two div elements “vertically stack” on one another by default?

Answer 15

They are block elements, so they take up the width of their container.

Question 16

What does the transform property do?

Answer 16

Rotates, scales, skews or translates an element.

Question 17

Give four examples of CSS transform functions.

Answer 17

Rotate, scale, translate, skew.

Question 18

What is the default value for the position property of HTML elements?

Answer 18

Static

Question 19

How does setting position: relative on an element affect document flow?

Answer 19

Moves an element from the position it would be from normal flow, and doesn’t affect the positioning of surrounding elements.

Question 20

How does setting position: relative on an element affect where it appears on the page?

Answer 20

It allows us to move the element.

Question 21

How does setting position: absolute on an element affect document flow?

Answer 21

No longer exists in normal document flow. Positions the element in relation to its containing element.

Question 22

How does setting position: absolute on an element affect where it appears on the page?

Answer 22

Absolutely positioned elements move as users scroll up and down the page.

Question 23

How do you constrain an absolutely positioned element to a containing block?

Answer 23

Non-static ancestor elements.

Question 24

What are the four box offset properties?

Answer 24

top, bottom, left, and right