CSS

Question 1

What CSS properties make up the box model?

Answer 1

margin, border, padding, content

Question 2

Which CSS property pushes boxes away from each other?

Answer 2

margin

Question 3

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

Answer 3

padding

Question 4

What is a pseudo-class?

Answer 4

it specifies a special state of the selected element

Question 5

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

Answer 5

em, px

Question 6

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

Answer 6

font-family

Question 7

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

Answer 7

row; left to right

Question 8

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

Answer 8

nowrap; all items on one line

Question 9

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

Answer 9

they are block elements

Question 10

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

Answer 10

row; left -> right

Question 11

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

Answer 11

container, row, column

Question 12

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

Answer 12

1

Question 13

What is the purpose of a container?

Answer 13

To be able to control the base layout of the page from one class.

Question 14

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

Answer 14

No effect

Question 15

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

Answer 15

static

Question 16

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

Answer 16

they are removed from document flow

Question 17

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

Answer 17

It will overlap with other elements

Question 18

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

Answer 18

position relative on an ancestor

Question 19

What are the four box offset properties?

Answer 19

top, right, bottom, left

Question 20

What are the four components of “the Cascade”.

Answer 20

source order, inheritance, specificity, !important

Question 21

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

Answer 21

Lower is stronger in css sheet

Question 22

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

Answer 22

> or inheritable elements

Question 23

List the three selector types in order of increasing specificity.

Answer 23

element(type) => class => id

Question 24

Why is using !important considered bad practice?

Answer 24

It overrides everything

Question 25

The transition property is shorthand for which four CSS properties?

Answer 25

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

Question 26

What does the transform property do?

Answer 26

Allows you to rotate, scale, skew or move an element

Question 27

Give four examples of CSS transform functions.

Answer 27

rotate, skew, scale, matrix

Question 28

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

Answer 28

min-width

Question 29

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

Answer 29

<meta></meta>

Question 30

What is a breakpoint in responsive Web design?

Answer 30

The point when a screen changes size

Question 31

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 31

Using px will only work for the first layout you make, % will work for all

Question 32

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”.

Answer 32

Put smaller first