CSS

Question 1

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

Answer 1

Selector, Declaration Block, Properties, Values (all together they are called a “rule set”)

Question 2

In CSS, how do you select elements by theirclassattribute?

Answer 2

.classname

Question 3

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

Answer 3

the element name

Question 4

In CSS, how do you select an element by itsidattribute?

Answer 4

#

Question 5

Name three 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

Padding, Margin, Border, Width and 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

A CSS pseudo-class is a keyword added to a selector that specifies a special state of the selected element(s). For example, :hover can be used to change a button’s color when the user’s pointer hovers over it.

Question 10

What are CSS pseudo-classes useful for?

Answer 10

Pseudo-classes let you apply a style to an element not only in relation to the content of the document tree, but also in relation to external factors:

like the history of the navigator (:visited, for example), the status of its content (like :checked on certain form elements), or the position of the mouse (like :hover, which lets you know if the mouse is over an element or not).

Question 11

Name two types of units that can be used to adjustfont-sizein CSS.

Answer 11

px, 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 defaultflex-directionof aflexcontainer?

Answer 13

Row

Question 14

What is the defaultflex-wrapof aflexcontainer?

Answer 14

no-wrap

Question 15

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

Answer 15

They are Block elements

Question 16

What is the defaultflex-directionof an element withdisplay: flex?

Answer 16

Row

Question 17

What is thedefaultvalue for thepositionproperty of HTML elements?

Answer 17

Static

Question 18

How does settingposition: relativeon an element affect document flow?

Answer 18

It doesn’t not affect the elements around it

Question 19

how does settingposition: relativeon an element affect where it appears on the page?

Answer 19

normal

Question 20

How does settingposition: absoluteon an element affect document flow?

Answer 20

removed entirely. other elements act like its not there

Question 21

How does settingposition: absoluteon an element affect where it appears on the page?

Answer 21

it is removed from the document flow and appears in relation to its containing element

Question 22

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

Answer 22

setting an ancestor element to something other than static

Question 23

What are the four box offset properties?

Answer 23

top bottom left and right

Question 24

What are the four components of “the Cascade”.

Answer 24

Source Order, Inheritance, Specificity & !important

Question 25

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

Answer 25

Assuming the same specificity, the last rule to be written take precedence.

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

inherit

Question 27

List the three selector types in order of increasing specificity.

Answer 27

element class id

Question 28

Why is using !important considered bad practice?

Answer 28

it makes debugging more difficult by breaking the natural cascading in your stylesheets (overriding all other styling)

Question 29

What does the transform property do?

Answer 29

The transform CSS property lets you rotate, scale, skew, or translate an element. It modifies the coordinate space of the CSS visual formatting model.

Question 30

Give four examples of CSS transform functions.

Answer 30

translate, rotate, scale, skew

Question 31

The transition property is shorthand for which four CSS properties?

Answer 31

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

Question 32

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

Answer 32

min-width and max-width

Question 33

What is a breakpoint in responsive Web design?

Answer 33

spot where your styling will change typically in regards to the viewport width

Question 34

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 34

it will always scale to the desired width no matter what the screen size is, also has to do with pixel density.

Question 35

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 35

Source Order