CSS

Question 1

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

Answer 1

Selector, rule set, property, value

Question 2

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

Answer 2

. period

Question 3

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

Answer 3

element name

Question 4

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

Answer 4

id name

Question 5

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

Answer 5

Color name, hex code, RGB value

Question 6

What CSS properties make up the box model?

Answer 6

border, margin, padding, height, width

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 applied by the browser when in a specific state, Keyword added to a selector that specifies a special state of the element

Question 10

What are CSS pseudo-classes useful for?

Answer 10

Highlight user positions and history,

Question 11

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

Answer 11

Pixels, 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-wrap of a flex container?

Answer 13

row on a single line

Question 14

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

Answer 14

row, left to right

Question 15

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

Answer 15

its a block element

Question 16

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

Answer 16

row, left to right

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

moves in relation to where it would usually be. relative to others.

Question 19

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

Answer 19

same spot

Question 20

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

Answer 20

no affect, another layer, nonexitisting

Question 21

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

Answer 21

same spot on page regardless of content

Question 22

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

Answer 22

padding, set the element as not static

Question 23

What are the four box offset properties?

Answer 23

top, bottom, left, right

Question 24

What are the four components of “the Cascade”.

Answer 24

Source order, inheritance, specificity and !important.

Question 25

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

Answer 25

The order in which the CSS code is read.

weakest to strongest

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

List the three selector types in order of increasing specificity.

Answer 27

Element selector
class selector 
ID selector.

Question 28

Why is using !important considered bad practice?

Answer 28

it makes debugging more difficult by breaking the natural cascading in your stylesheets.

Question 29

What does the transform property do?

Answer 29

Modifies the coordinates of the element.

adjust the element

Question 30

Give four examples of CSS transform functions.

Answer 30

Rotate, translate, scale and skew.

Question 31

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

Answer 31

min/max - width/height

Question 32

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

Answer 32

viewport

Question 33

The transition property is shorthand for which four CSS properties?

Answer 33

• Transition-property;
• transition-duration;
• transition-timing-function;
• transition-delay.

Question 34

What is a breakpoint in responsive Web design?

Answer 34

the point when the screen adjusts

in order to provide the best possible user experience

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

percentages are more flexible and easier to work with

to make it more fluid

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

because it is cascading
css source orders
ascending MIN widths