CSS

Question 1

CSS - SYNTAX

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

Answer 1

selector, declaration blocks, property, values

Question 2

CSS - SYNTAX

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

Answer 2

put a period before the element

Question 3

CSS - SYNTAX

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

Answer 3

just the element

Question 4

CSS - SYNTAX

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

Answer 4

put a # before the element name

Question 5

CSS-COLORS

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

Answer 5

• the name of the color
• # FFFFFF;
• rbg(0,0,0)

Question 6

CSS-BOX-MODEL

What CSS properties make up the box model?

Answer 6

padding, border, margin

Question 7

CSS-BOX-MODEL

Which CSS property pushes boxes away from each other?

Answer 7

margin

Question 8

CSS-BOX-MODEL

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

Answer 8

padding

Question 9

CSS-PSEUDO-CLASS

What is a pseudo-class?

Answer 9

is a class applied by the browsers under certain circumstances

Question 10

CSS-PSEUDO-CLASS

What are CSS pseudo-classes useful for?

Answer 10

• a class that allows users to change the appearance when interacting with elements.
• makes CSS easier by not having to apply certain classes to each individual element.

Question 11

CSS-FONTS

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

Answer 11

pixels and rems

Question 12

CSS-FONTS

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

Answer 12

font-family property

Question 13

CSS-FLEXBOX

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

Answer 13

row

Question 14

CSS-FLEXBOX

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

Answer 14

nowrap

Question 15

CSS-LAYOUT-CLASSES

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

Answer 15

because they are block elements

Question 16

CSS-LAYOUT-CLASSES

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

Answer 16

row

Question 17

CSS-LAYOUT-CLASSES

What should containers classes alway have?

Answer 17

max-width: px

margin: 0 auto

Question 18

CSS-LAYOUT-CLASSES

What should row classes alway have?

Answer 18

display: flex

Question 19

CSS-POSITIONING

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

Answer 19

static

Question 20

CSS-POSITIONING

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

Answer 20

it doesnt

Question 21

CSS-POSITIONING

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

Answer 21

only use if you want to move things slightly to the left, right, down or up

Question 22

CSS-POSITIONING

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

Answer 22

sticks to the closest ancestry that is non-static

Question 23

CSS-POSITIONING

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

Answer 23

change the ancestor element, parent div has to be other than static

Question 24

CSS-POSITIONING

What are the four box offset properties?

Answer 24

top, bottom, left, right

Question 25

CSS-CASCADE

What are the four components of “the Cascade”.

Answer 25

Source order, specificity, importance, inheritance

Question 26

CSS-CASCADE

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

Answer 26

order that css uses in order, ruleset that is lower on the ccs page is used

Question 27

CSS-CASCADE

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

Answer 27

apply it to the parent element (inheritance)

Question 28

CSS-CASCADE

List the three selector types in order of increasing specificity.

Answer 28

id > class > element

Question 29

CSS-CASCADE

Why is using !important considered bad practice?

Answer 29

makes debugging harder by breaking the order of things

Question 30

CSS-TRANSFORMS

What does the transform property do?

Answer 30

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

Question 31

CSS-TRANSFORMS

Give four examples of CSS transform functions.

Answer 31

translateX, translateY, rotate, scale

Question 32

CSS-TRANSITION

The transition property is shorthand for which four CSS properties?

Answer 32

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

Question 33

CSS-MEDIA-QUERIES

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

Answer 33

min-height, min-width

Question 34

CSS-MEDIA-QUERIES

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

Answer 34

viewport meta tag

Question 35

CSS-RESPONSIVE-LAYOUT

What is a breakpoint in responsive Web design?

Answer 35

a point in the viewport size where the layout will change

Question 36

CSS-RESPONSIVE-LAYOUT

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 36

will adapt to the viewpoint sizing

Question 37

CSS-RESPONSIVE-LAYOUT

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 37

css rulesets are loaded in top to bottom so bottom one always wins (source order)