CSS

Question 1

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

Answer 1

selector and declaration block (property & value)

Question 2

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

Answer 2

dot and whatever class name

Question 3

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

Answer 3

by node name or element type

Question 4

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

Answer 4

pound or hashtag followed by id name

Question 5

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

Answer 5

color-names, hex codes, or rgb values

Question 6

What CSS properties make up the box model?

Answer 6

border, margin, padding, actual content (width, height)

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 selector that selects elements that are in a specific state

Question 10

What are CSS pseudo-classes useful for?

Answer 10

For style and accessibility.

Question 11

Name at least two units of type size in CSS.

Answer 11

px, ems, percentages

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

because it’s a block

Question 16

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

Answer 16

row

Question 17

What are the four components of “the Cascade”.

Answer 17

Source order
Specificity
Inheritance
Importance

Question 18

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

Answer 18

the order that your CSS rules are written in your stylesheet.

Question 19

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

Answer 19

the inheritance selector

Question 20

List the three selector types in order of increasing specificity.

Answer 20

type, class, ID,

Question 21

Why is using !important considered bad practice?

Answer 21

it’ll make debugging hell, it ruins everything

Question 22

What does the transform property do?

Answer 22

The transform property applies a 2D or 3D transformation to an element.

Question 23

Give four examples of CSS transform functions.

Answer 23

matrix, rotate, scale, translate, skew

Question 24

The transition property is shorthand for which four CSS properties?

Answer 24

transition-property , transition-duration , transition-timing-function , transition-delay .

Question 25

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

Answer 25

min-width, max-width

Question 26

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

Answer 26

he HTML Viewport meta tag is used for creating responsive website. So that web page can adjust its width according to viewport.

Question 27

What is a breakpoint in responsive Web design?

Answer 27

the “point” at which a website’s content and design will adapt in a certain way in order to provide the best possible user experience

Question 28

What is the advantage of using a percentage (e.g. 50%) width instead of a fixed (e.g. px) width for a “column” class in a responsive layout?

Answer 28

future proofing

Question 29

If you introduce CSS rules for a smaller min-width after the styles for a larger min-width in your style sheet, the CSS rules for the smaller min-width will “win”. Why is that?

Answer 29

order matters, go big to small or small to big