CSS

Question 1

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

Answer 1

Selector, declaration

Question 2

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

Answer 2

.element[attribute]

Question 3

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

Answer 3

selector type

Question 4

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

Answer 4

#

Question 5

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

Answer 5

Hex, name, RGB

Question 6

What CSS properties make up the box model?

Answer 6

padding, border, margin

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 state of the element

Question 10

What are css pseudo-classes useful for?

Answer 10

They can apply style to different states of an element. For example, if a link has been visited, it can be changed color to indicate that its been clicked before.

Question 11

Name at least 2 units of type size in CSS

Answer 11

em, px, rem

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

no wrap

Question 15

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

Answer 15

They are block elements and block elements start on new lines

Question 16

What is the default flex-direction of an element with display: flex?

Answer 16

row

Question 17

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

Answer 17

static

Question 18

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

Answer 18

Relative allows you to move the item in relation to normal flow.

Question 19

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

Answer 19

if you want to move it 10 pixels up then set bottom to 10 px;

Question 20

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

Answer 20

The box is taken out of normal flow and no longer affects the position of other elements.

Question 21

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

Answer 21

The position will appear in relation to its containing elements

Question 22

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

Answer 22

fixed positioning

Question 23

What are the four box offset properties?

Answer 23

top, right, bottom, left

Question 24

What are the four components of “the Cascade”.

Answer 24

source order, inheritance, specificity, and importance/cascade?

Question 25

What does the term “source order” mean with respect to CSS?

Answer 25

If a rule has the same weight then it will go with the last rule.

Question 26

How is it possible for the styles of an element to be applied to its children as well without an additional CSS rule?

Answer 26

inheritance

Question 27

What does the transform property do?

Answer 27

Applies 2D or 3D transformations on an element

Question 28

Name 4 transform properties

Answer 28

rotate, scale, move, skew

Question 29

Give two examples of media features that you can query in a @media rule.

Answer 29

Width, height

Question 30

Which HTML meta tag is used in mobile-responsive web pages

Answer 30

Viewport

Question 31

What is a breakpoint in responsive Web Design?

Answer 31

Point where the design will break

Question 32

What is the advantage of using a percentage width instead of a fixed width for a col class in a responsive layout?

Answer 32

It can adapt to the size of the screen

Question 33

If you introduce CSS rules for a smaller min-width after the styles for a larger min-width, the CSS rules for the small min-width will win. Why is that?

Answer 33

cascading rule