CSS

Question 1

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

Answer 1

There are selectors, properties, and values (which is the declaration block) and all together it is known as a CSS rule set.

Question 2

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

Answer 2

Using a “ . “ and then the value of the attribute, followed by a declaration block.

Question 3

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

Answer 3

Using the given node name, followed by a declaration block.

Question 4

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

Answer 4

Using a “#” and then the value of the attribute, followed by a declaration block.

Question 5

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

Answer 5

RGB (red, green, blue) values, hex codes, and color names

Question 6

What CSS properties make up the box model?

Answer 6

padding, border, margin, height, width

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

The padding property allows you to specify how much space should appear between the content and its border.

Question 9

What is a pseudo-class?

Answer 9

It is a keyword that can be added to a selector to change the appearance of an element with a specific action like :hover, :active, :focus.

Question 10

What are CSS pseudo-classes useful for?

Answer 10

Useful for event-based styling and …

Question 11

Name at least two units of type size in CSS.

Answer 11

Pixels, percentages, 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

It is from left to right.

Question 14

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

Answer 14

All flex items will be on one line. Its value is “nowrap”.

Question 15

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

Answer 15

Because they are block level elements.

Question 16

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

Answer 16

row, filling in from left to right

Question 17

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

Answer 17

Static

Question 18

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

Answer 18

It does not have an effect at first.

Question 19

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

Answer 19

It sets it in relation to the relative position.

Question 20

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

Answer 20

It removes it from the document flow. It is almost like they do not exist in relation to the other content on the page.

Question 21

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

Answer 21

It is positioned relative to the body/container.

Question 22

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

Answer 22

It is set to the a parent element that is non-static (relative).

Question 23

What are the four box offset properties?

Answer 23

Top, bottom, left, right

Question 24

What are the four components of “the Cascade”.

Answer 24

Source order, inheritance, specificity, and !important

Question 25

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

Answer 25

it means in which order the rule set is applied to the stylesheet. bottom being dominant.

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

some are already applied by default, but "inherit" or even "all".

Question 27

List the three selector types in order of increasing specificity.

Answer 27

type selectors, class selectors, then ID selectors

Question 28

Why is using !important considered bad practice?

Answer 28

it makes debugging more difficult by breaking the natural cascading in the stylesheet.

Question 29

What does the transform property do?

Answer 29

it lets you rotate, scale, skew, or translate an element. It modifies the coordinate space of the CSS visual formatting model. (change how the element is visually represented)

Question 30

Give four examples of CSS transform functions.

Answer 30

matrix, perspective, rotate, translate

Question 31

The transition property is shorthand for which four CSS properties?

Answer 31

The transition CSS property is a shorthand property for transition-property, transition-duration, transition-timing-function, and transition-delay.

Question 32

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

Answer 32

height, width, https://developer.mozilla.org/en-US/docs/Web/CSS/@media MIN-WIDTH AND MAX-WIDTH (USUALLY BE USING)

Question 33

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

Answer 33

attribute name with value of viewport

Question 34

What is a breakpoint in responsive Web design?

Answer 34

the point in which an @media rule set needs to be used At the point the media query (@media rule) is introduced. at the point where the styling is changed.

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

it is more responsive for different types of viewports because it is measure in relations to its parent element

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 it is written after. Source order