CSS

Question 1

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

Answer 1

You select elements by their class attribute by putting a period followed by the class name

Question 2

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

Answer 2

You use a type selector which is just the name of their element

Question 3

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

Answer 3

You would use an id selector which is a # followed by the id name.

Question 4

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

Answer 4

Selector declaration block properties values

Question 5

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

Answer 5

color name, hexcode, rgb values

Question 6

What CSS properties make up the box model?

Answer 6

border, padding margin content(width , 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 class applied by a browser, but we can not add them ourselves.

Question 10

What are CSS pseudo-classes useful for?

Answer 10

Styling elements with relation to external factors and making styling easier.

Question 11

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

Answer 11

px, rem or 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 default flex-direction of a flex container?

Answer 13

Default flex direction is row

Question 14

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

Answer 14

Nowrap - all fit on one line

Question 15

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

Answer 15

They are block level elements

Question 16

What is the default flex-direction of an element with display: flex?

Answer 16

row

Question 17

what is the purpose of the container class?

Answer 17

provides a container to put elements in

Question 18

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

Answer 18

they are block level elements

Question 19

What is the default flex-direction of an element with display: flex?

Answer 19

row

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

sits like normal

Question 22

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

Answer 22

doesnt change anything

Question 23

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

Answer 23

it removes the element from document flow

Question 24

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

Answer 24

appear the at the top of the nearest ancestor that is not static

Question 25

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

Answer 25

set position property that isnt static

Question 26

What are the four box offset properties?

Answer 26

top bottom left right

Question 27

what is the fixed property

Answer 27

an element stuck to viewport positioned relative to container, does not affect document flow. I.E. Modals

Question 28

what does justify-content do?

Answer 28

justify content arranges flex items in a flex container along the x axis

Question 29

what does align -items do?

Answer 29

orders flex items in a flex container along the y axis

Question 30

What are the four components of “the Cascade”.

Answer 30

Important!, specificity, source order, inheritance

Question 31

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

Answer 31

the way selectors appear in. a style sheet, lower is stronger

Question 32

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

Answer 32

inheritance

Question 33

List the three selector types in order of increasing specificity.

Answer 33

element class, id

Question 34

Why is using !important considered bad practice?

Answer 34

overrides specificity

Question 35

What does the transform property do?

Answer 35

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

Question 36

Give four examples of CSS transform functions.

Answer 36

translatexy

rotatex y

matrix

scale
skew

Question 37

What is a breakpoint in responsive Web design?

Answer 37

size where the content starts to break in some way and styling changes

Question 38

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 38

it scales better with adjusted viewports, no matter what width it will always be that %.

Question 39

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 39

source order