CSS

Question 1

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

Answer 1

Selector , declaration block, declarations

Question 2

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

Answer 2

With a period followed by a matching class name

Question 3

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

Answer 3

Match the tag name

Question 4

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

Answer 4

RGB Values, HEX Codes, Color Names

Question 5

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

Answer 5

Pound symbol followed by a matching id attribute

Question 6

What CSS properties make up the box model?

Answer 6

margins, borders, padding

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 selector that selects elements that are in a specific state

Question 10

What are CSS pseudo-classes useful for?

Answer 10

allow you to change the appearance of elements when a user is interacting with them

Question 11

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

Answer 11

Pixels 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

no wrap

Question 15

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

Answer 15

Because div element 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 default value for the position property of HTML elements?

Answer 17

Normal flow

Question 18

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

Answer 18

It doesn’t affect its surrounding elements only the element targeted.

Question 19

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

Answer 19

It allows you to shift its position on the page

Question 20

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

Answer 20

It removes the element from the document flow and the other elements fill its position

Question 21

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

Answer 21

Its taken out of normal flow and can be positioned and moves with the user up/down the page

Question 22

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

Answer 22

Anything other than static property.

Question 23

What are the four box offset properties?

Answer 23

Top , left, right, bottom

Question 24

What are the four components of “the Cascade”.

Answer 24

Specificity, inheritance, cascade, !important

Question 25

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

Answer 25

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

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

By the inheritance value

Question 27

List the three selector types in order of increasing specificity.

Answer 27

Type, class, ID

it has side effects that mess with one of CSS’s core mechanisms: specificity

Question 28

Why is using !important considered bad practice?

Question 29

The transition property is shorthand for which four CSS properties?

Answer 29

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

Question 30

What does the transform property do?

Answer 30

Lets you rotate scale key or translate an element

Question 31

Give four examples of CSS transform functions.

Answer 31

Scale, rotate, skew translate

Question 32

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

Answer 32

Aspect ratio, color¥

Question 33

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

Answer 33

TheHTML Viewport meta tagis used for creating responsive website

Question 34

What is a breakpoint in responsive Web design?

Answer 34

The point at which a website content and design will adapt in order to provide the best user experience

Question 35

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 35

Because the content can adapt to 50% of a device’s width, and which is easier and better since there are so many devices with different widths

Question 36

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 36

Because of the order that CSS apply its rules and that the last code on the page overrides the previous one