CSS

Question 1

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

Answer 1

Selector, declaration block, declaration and value

Question 2

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

Answer 2

You put a period before the class name

Question 3

In CSS, how do you select elements by their tag name?

Answer 3

you just type out the name of the element

Question 4

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

Answer 4

You put a # before the id attribute

Question 5

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

Answer 5

RGB, Hex codes, Color names

Question 6

What CSS properties make up the box model?

Answer 6

Width, Height, Padding, Border, Margin

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 an attribute added to a selector that specifies a special state of the selected element.

Question 10

What are CSS pseudo-classes useful for?

Answer 10

They are useful for adding styles to elements under certain circumstances.

Question 11

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

nowrap

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 default flex-direction of an element with display: flex?

Answer 16

Row

Question 17

What are the three primary components of a page layout? (Which helper classes do you need?)

Answer 17

Container, row, column

Question 18

What is the minimum number of columns that you should put in a row?

Answer 18

1

Question 19

What is the purpose of a container?

Answer 19

To contain a layout

Question 20

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

Answer 20

Static

Question 21

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

Answer 21

document flow is unaffected

Question 22

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

Answer 22

it moves relative to its original position

Question 23

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

Answer 23

Once you set absolute to an element position it acts like it does not exist

Question 24

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

Answer 24

its positioned on the first non-static element

Question 25

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

Answer 25

You put position relative on the block

Question 26

What are the four box offset properties?

Answer 26

top, left, bottom , right

Question 27

What are the four components of “the Cascade”.

Answer 27

source order, specificity, !important, inheritance

Question 28

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

Answer 28

the order of the way css is applied

Question 29

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

Answer 29

Inheritance

Question 30

List the three selector types in order of increasing specificity.

Answer 30

type, class, id

Question 31

Why is using !important considered bad practice?

Answer 31

It reverses

Question 32

What does the transform property do?

Answer 32

The transform CSS property lets you rotate, scale, skew, or translate an element

Question 33

Give four examples of CSS transform functions.

Answer 33

matrix, translate, rotate, scale

Question 34

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

Answer 34

min-width, max-width

Question 35

What is a breakpoint in responsive Web design?

Answer 35

the point at which a websites content and design will adapt a certain way in order to provide the best possible user experience

Question 36

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

it allows you to have more wiggle room so you have less css media queries

Question 37

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

source order