CSS

Question 1

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

Answer 1

declaration block, selector, properties, values

Question 2

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

Answer 2

.attribute { (putting a period before the name of the class)

Question 3

In CSS, how do you select elements by their tag name?

Answer 3

type { (type element name)

Question 4

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

Answer 4

id { (type # with id)

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

Border, Margin, Padding, 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

class added to a selector that specifies a special state (ex: hover)

Question 10

What are CSS pseudo-classes useful for?

Answer 10

Let you apply a style to an element for events of users interacting with elements

Question 11

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

Answer 11

px, rem, 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 :left to right

Question 14

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

Answer 14

no wrap

Question 15

What is align items in flexbox

Answer 15

top to bottom alignment

Question 16

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

Answer 16

divs are block elements

Question 17

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

Answer 17

Row: left to right

Question 18

What are the three primary components of a page layout? (Which helper classes do you need?)

Answer 18

Container, Row, Column

Question 19

What is the minimum number of columns that you should put in a row?

Answer 19

1 column

Question 20

What is the purpose of a container?

Answer 20

the purpose of the container is to be able organize the rows and container in a readable manner.

Question 21

What is the purpose of a row?

Answer 21

Row is used to show content of a vertical chunk within a container.

Question 22

What is the purpose of a column?

Answer 22

Represents the chunk of a page section in a horizontal view.

Question 23

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

Answer 23

position:static

Question 24

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

Answer 24

Doesn’t affect document flow.

Question 25

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

Answer 25

can move top, bottom, left, right and it will appear on the page depending on where you set it. (Where it was statically)

Question 26

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

Answer 26

the box or element is taken out of normal flow. Sibling elements ignore it.

Question 27

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

Answer 27

Positioned against the nearest non static ancestor.

Question 28

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

Answer 28

Set position relative to the ancestor.

Question 29

What are the four box offset properties?

Answer 29

top, bottom, left, right

Question 30

What are the four components of "the Cascade".

Answer 30

Source Order, Inheritance, Specificity and !important

Question 31

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

Answer 31

Order of importance

Question 32

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

Answer 32

the inheritance behavior

Question 33

List the three selector types in order of increasing specificity.

Answer 33

*global, .class, #id

Question 34

Why is using !important considered bad practice?

Answer 34

Extremely high specificity, so its very hard to override. Hard to design.

Question 35

What does the transform property do?

Answer 35

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

Question 36

Give four examples of CSS transform functions.

Answer 36

matrix translate rotate and scale skew

Question 37

The transition property is shorthand for which four CSS properties?

Answer 37

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

Question 38

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

Answer 38

min-width, min-height, max-width

Question 39

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

Answer 39

viewport meta tag