CSS

Question 1

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

Answer 1

.classname {

}

Question 2

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

Answer 2

elementname {

}

Question 3

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

Answer 3

#idname {
}

Question 4

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

Answer 4

css selectors , declaration block, property , values

Question 5

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

Answer 5

rgb values, hex codes, color names

Question 6

What CSS properties make up the box model?

Answer 6

content, margin, padding, border

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

it can let you know when you hover over something or when you clicked on something

Question 11

Name at least two units of type size in CSS.

Answer 11

pixels, 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

nowrap

Question 15

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

Answer 15

because its a block

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

its positioned to the normal flow of the document

Question 19

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

Answer 19

its removed from the documents flow

Question 20

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

Answer 20

anything other than static

Question 21

What are the four box offset properties?

Answer 21

top bottom left right

Question 22

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

Answer 22

same spot and you can move it with the offsets

Question 23

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

Answer 23

absolute places an element relative to its parent’s position and changing the layout around it.

Question 24

What are the four components of “the Cascade”.

Answer 24

source order, Inheritance , Specificity & !important

Question 25

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

Answer 25

it starts from top to bottom

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

Inherited properties

Question 27

List the three selector types in order of increasing specificity.

Answer 27

type, class , id, inline

Question 28

Why is using !important considered bad practice?

Answer 28

it makes debugging more difficult

Question 29

What does the transform property do?

Answer 29

property lets you rotate, scale, skew, or translate an element

Question 30

Give four examples of CSS transform functions.

Answer 30

matrix, rotate, translate, skew

Question 31

The transition property is shorthand for which four CSS properties?

Answer 31

delay, duration, property, timing function

Question 32

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

Answer 32

color, any-hover

Question 33

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

Answer 33

viewport

Question 34

What is a breakpoint in responsive Web design?

Answer 34

where the website content responds to the device width show the best layout

Question 35

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 35

percentage changes and px is static

Question 36

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 36

.