CSS

Question 1

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

Answer 1

Selector {property : value;}

Question 2

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

Answer 2

use a . in front of the element

Question 3

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

Answer 3

in styles.css

h1 {
}

Question 4

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

Answer 4

use a # in front of the element.

Question 5

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

Answer 5

RGB Value
Hex Code
Color Name

Question 6

What CSS properties make up the box model?

Answer 6

Border
Margin
Padding

Question 7

Which CSS property pushes boxes away from each other?

Answer 7

Margin controls the gap between boxes.

Question 8

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

Answer 8

Padding specifies how much space is between the contents of an element and its border.

Question 9

What is a pseudo-class?

Answer 9

allow you to change the style or appearance of elements when you interact with them.

Question 10

What are CSS pseudo-classes useful for?

Answer 10

one example is knowing what links you’ve visited by changing the link color from blue to purple once it’s been clicked.

Question 11

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

Answer 11

rem
ems
px
percentage

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 - left to right

Question 14

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

Answer 14

nowrap - all flex items will be on one line.

Question 15

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

Answer 15

div elements are block level elements.

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

position: static

Question 18

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

Answer 18

it does not affect the position of the surrounding elements.

Question 19

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

Answer 19

it moves the element to whatever spot you want it to go. ex-top, left, bottom, right

Question 20

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

Answer 20

it is taken out of the document flow essentially, it does not affect surrounding elements, its as if they ignore the space that shouldve been there.

Question 21

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

Answer 21

Absolutely positioned elements move as users scroll up and down the page. sit on the top of the nearest parent positioned element.

Question 22

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

Answer 22

the element would need a positioned parent element.(not static).

Question 23

What are the four box offset properties?

Answer 23

top, bottom, left, right

Question 24

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

Answer 24

Selector {property : value;}

Question 25

What are the four components of “the Cascade”.

Answer 25

Source Order
Inheritance
Specificity
!important

Question 26

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

Answer 26

the order that your css rules are written in the stylesheet.

The styling provided for an element last in your stylesheet is the styling that will ultimately take effect.

Question 27

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

use inheritance because it allows child elements that have no style on it to inherit the style of its parent.

Question 28

List the three selector types in order of increasing specificity.

Answer 28

ID - (only ID selectors) 
CLASS - (includes .class selectors, pseudo classes, also attribute selectors like type="radio") 
TYPE - (such as p, h1, td)

Question 29

Why is using !important considered bad practice?

Answer 29

Understanding and effectively using specificity and the cascade can remove any need for the !important style.

Question 30

What does the transform property do?

Answer 30

The transform CSS property lets you rotate, scale, skew, or translate an element.
it modifies the coordinate space.

Question 31

Give four examples of CSS transform functions.

Answer 31

rotate
translate Y
scale
skew

Question 32

The transition property is shorthand for which four CSS properties?

Answer 32

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

Question 33

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

Answer 33

min-width and max-width

Question 34

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

Answer 34

viewport

Question 35

@Media only media type and media feature

Answer 35

you should always specify the media type every time you use @media.

Question 36

What is a breakpoint in responsive Web design?

Answer 36

its a point where a style is applied or a boundary.

Question 37

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 37

depending on how wide your screen is the column will always be 50% of the screen your using.

Question 38

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 38

the source order.