CSS

Question 1

CSS Syntax

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

Answer 1

Declaration, selector, properties, values

Question 2

CSS Syntax

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

Answer 2

Period symbol(.) and name of class

Question 3

CSS Syntax

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

Answer 3

Name of element

Question 4

CSS Syntax

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

Answer 4

Hash tag (#) and name of id

Question 5

CSS Colors

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

Answer 5

RGB Values, HEX Codes, Color Names

Question 6

CSS Box Model

What CSS properties make up the box model?

Answer 6

width, height, border, margin, padding

Question 7

CSS Box Model

Which CSS property pushes boxes away from each other?

Answer 7

margin

Question 8

CSS Box Model

Which CSS property adds space between a box’s content and its border?

Answer 8

padding

Question 9

CSS Pseudo Classes

What is a pseudo-class?

Answer 9

A CSS pseudo-class is a keyword added to a selector that specifies a special state of the selected element(s).

Question 10

CSS Pseudo Classes

What are CSS pseudo-classes useful for?

Answer 10

It helps users to interact and know if the object responded to users’ request.

Question 11

CSS Fonts

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

Answer 11

pixels, ems, percentages, points, inch, rem

Question 12

CSS Fonts

What CSS property controls the font used for the text inside an element?

Answer 12

font-family

Question 13

CSS Flexbox

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

Answer 13

Row

Question 14

CSS Flexbox

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

Answer 14

nowrap

Question 15

CSS Layout Classes

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

Answer 15

div starts on a new line and has a full-width.

Question 16

CSS Layout Classes

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

Answer 16

Row

Question 17

CSS-Positioning

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

Answer 17

static

Question 18

CSS-Positioning

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

Answer 18

Same spot in flow (nothing change)

Question 19

CSS-Positioning

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

Answer 19

Same exact place

Question 20

CSS-Positioning

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

Answer 20

• The box is taken out of normal flow and no longer affects the position of other elements on the page. (They act like it is not there).
• An absolutely positioned element no longer exists in the normal document flow. Instead, it sits on its own layer separate from everything else.
• Remove from document flow and act as not there (Everything change)

Question 21

CSS-Positioning

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

Answer 21

Absolute moves strictly to non-static ancestor

Question 22

CSS-Positioning

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

Answer 22

Non-static

Question 23

CSS-Positioning

What are the four box offset properties?

Answer 23

Top, bottom. left, right

Question 24

CSS-Cascade

What are the four components of the “Cascade”.

Answer 24

Source, order, inheritance, specificity, !important

Question 25

CSS-Cascade

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

Answer 25

The order that your CSS rules are written in your stylesheet. The styling top is weak but the styling bottom is strong. The styling gets stronger as progress

Question 26

CSS-Cascade

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

Inheritance.

Question 27

CSS-Cascade

List three selector types in order of increasing specificity

Answer 27

type selector, class selector, ID selector

Question 28

CSS-Cascade

Why is using !important considered bad practice?

Answer 28

It makes debugging more difficult by breaking the natural cascading in your stylesheets. The only way to override !important is to use other !important or use JavaScript to remove it.

Question 29

CSS-Transforms

What does the transform property do?

Answer 29

change space and orientation

Question 30

CSS-Transforms

Give four examples of CSS transform functions.

Answer 30

-scale, matrix, rotate, skew, translate

Question 31

CSS-Media-Queries

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

Answer 31

Min-width, max-width

Question 32

CSS-Media-Queries

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

Answer 32

Viewport meta tag

Question 33

CSS-Transforms

The transition property is shorthand for which four CSS properties?

Answer 33

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

Question 34

CSS Responsive Layout

What is a breakpoint in responsive Web design?

Answer 34

In responsive design, a breakpoint is the “point” at which a website’s content and design will adapt in a certain way in order to provide the best possible user experience.

Question 35

CSS Responsive Layout

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

We don’t know how big user’s screen will be so the percentage can define a size as relative to an element’s parent object. Percentage of that content would fill the viewport.

Question 36

CSS Responsive Layout

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

CSS cascade that the bottom CSS applied first.