CSS

Question 1

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

Answer 1

selector: indicates which elements to apply styling to
declaration: includes properties and values; indicates how the element(s) should be styled

Question 2

How do you select elements by their class attribute?

Answer 2

with a period;
Ex: .class

Question 3

How do you select elements by their tag name?

Answer 3

Just use the name of the element’s tag.

Question 4

How do you select an element by its id attribute

Answer 4

Use a #
Ex: #id

Question 5

Name 3 different types of values you can use to specify colors in CSS.

Answer 5

rgb: values for red, green, blue expressed as numbers between 0 and 255
hex: represent values for red, green blue in hexidecimal code
color name: predetermined, limited

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

Keyword added to a selector that specifies a special state of the selected elements
example: :hover

Question 10

What are CSS pseudo-classes useful for?

Answer 10

Gives the user feedback - helps them track where they’re at or what they’ve done on the site

Question 11

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

Answer 11

px, percentages, and ems

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

Nowrap –> all flex items will be on one line

Question 15

Why do 2 div elements “vertically stack” on one another by default?

Answer 15

Because they’re block elements

Question 16

What are the three helper classes you should have for page layouts?

Answer 16

container, row and column

Question 17

What are the four components of “the Cascade”?

Answer 17

1. source order
2. inheritance
3. specificity
4. !important

Question 18

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

Answer 18

The order in which your CSS rules are written
the last styling written will be what’s applied to the element

Question 19

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

Answer 19

inheritance

Question 20

List the three selector types in order of increasing sepcificty.

Answer 20

type, class, id

Question 21

Why is using !important considered bad practice?

Answer 21

You shouldn’t need to use it if you understand specificity and are effectively using it

Question 22

What does the transform property do?

Answer 22

It allows us to rotate, scale, skew or translate an element

Question 23

Give 4 examples of CSS transform functions.

Answer 23

translate, rotate, skew, scale

Question 24

The transition property is shorthand for which 4 properties of CSS?

Answer 24

1. transition-property
2. transition-duration
3. transition-timing-function
4. transition-delay

Question 25

What’s a breakpoint in responsive web design?

Answer 25

it’s a point where a website’s content will adapt a certain way to provide better user experience

Question 26

What’s the advantage of using a percentage width instead of a fixed width for a “column” class in a responsive layout?

Answer 26

using percentage accounts for the screen’s width (that might potentially change) vs pixels which will always be the same

Question 27

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 27

Bc of the cascade –> rules written lower on the css document will take precedence