CSS

Question 1

what are the names of the individual pieces of a css rule?

Answer 1

selector, declaration

Question 2

in css, how do you select elements by their class attribute?

Answer 2

.className

Question 3

in css, how do you select elements by their type?

Answer 3

the name of the element

Question 4

in css, how do you select an element by its id attribute?

Answer 4

IDname

Question 5

name 3 different types of values you can use to specify colors in css

Answer 5

rbg values, hex codes, color names.

Question 6

what css properties make up the box model?

Answer 6

margin, padding, border

Question 7

which css property pushes boxes away from each other?

Answer 7

margin

Question 8

which css property adds space between a box’s content and its border?

Answer 8

padding

Question 9

what is a pseudo-class?

Answer 9

specifies a special state of the selected element

Question 10

what are css pseudo-classes useful for?

Answer 10

changing styles based on user interaction

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

no wrap

Question 15

why do two div elements vertically stack on one another by default

Answer 15

divs are block elements

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 on element affect document flow?

Answer 18

doesn’t move other elements

Question 19

how does setting position:relative on an element affect where it appears on a page?

Answer 19

appears in relation to its original position

Question 20

how does setting position:absolute on an element affect where it appears on a page?

Answer 20

it is positioned within the first non-static ancestor.

Question 21

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

Answer 21

by setting the block position to anything other than static.

Question 22

what are the 4 offset properties?

Answer 22

top, bottom, left, right

Question 23

what are the 4 components of “the cascade”?

Answer 23

source order, inheritance, specificity & !important

Question 24

what does the term ‘source order’ mean with respect to css?

Answer 24

the order in which css rules are written. last styling for an element will take effect

Question 25

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

Answer 25

certain properties are automatically inherited by child elements. mostly font properties

Question 26

list 3 selector types in order of increasing specificity

Answer 26

type selector, class selector, id selector

Question 27

why is using !important considered bad?

Answer 27

makes debugging more difficult by breaking the natural cascading in the stylesheet

Question 28

what does the transform property do?

Answer 28

modifies the coordinate space of the css visual formatting model.

Question 29

give 4 examples of css transform functions

Answer 29

rotate, scale, skew, translate

Question 30

the transition property is shorthand for which 4 css properties?

Answer 30

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

Question 31

give 2 examples of media features that you can query in an @media rule

Answer 31

min-width, max-width

Question 32

which html meta tag is used in mobile responsive web pages?

Answer 32

viewport

Question 33

what is a breakpoint in responsive web design?

Answer 33

the point at which a media query is introduced

Question 34

what is the advantage of using percentage width instead of a fixed width for a column class in a responsive layout?

Answer 34

flexible, will shrink and grow with the browser.