CSS

Question 1

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

Answer 1

Selector of the HTML element and declaration of property and the value and declaration block

Question 2

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

Answer 2

.

Question 3

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

Answer 3

Element name

Question 4

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

Answer 4

#

Question 5

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

Answer 5

RGB values, Hex codes, Color names

Question 6

What CSS properties make up the box model?

Answer 6

Width, height, border, margin, padding,

Question 7

Which CSS property pushes boxes away from each other?

Answer 7

The margin is an invisible space around your box. It pushes other elements away from the box like a puffy jacket but you urself are not bigger, space outside the element

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

selector that selects elements that are in a specific state, condition met also just a class

Question 10

What are CSS pseudo-classes useful for?

Answer 10

Specifies a special state of the selected element

Question 11

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

row

Question 14

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

Answer 14

Nowrap, single line

Question 15

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

Answer 15

It is a block element so starts on a new line

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 column row

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

Boundary for content, window of area to have stuff in

Question 20

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

Answer 20

Static positioning

Question 21

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

Answer 21

Normal flow until you use top bottom left right. No effect on document flow

Question 22

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

Answer 22

move relative to where it would exist if static

It will move those units away from the direction stated.

Question 23

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

Answer 23

no longer exists in the normal document flow

Question 24

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

Answer 24

specify the distance the element should be from each of the containing element’s sides - from the container (ancestor or non static, nearest position element). appear on page relative to boundaries of its containing block or non static ancestor

Question 25

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

Answer 25

Set offset property to the ancestor element of the containing block. Set width and height to 100%

Question 26

What are the four box offset properties?

Answer 26

top bottom left right

Question 27

What are the four components of “the Cascade”

Answer 27

source order, inheritance, specificity, !important

Question 28

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

Answer 28

the order that your CSS rules are written in your stylesheet. Lower is stronger

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

no value (*), type, class, ID

Question 31

Why is using !important considered bad practice?

Answer 31

overrides all other declarations and makes the CSS code more difficult to maintain and debug.

Question 32

The transition property is shorthand for which four CSS properties?

Answer 32

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

Question 33

What does the transform property do?

Answer 33

rotate, scale, skew, or translate an element
adjust how it renders itself in the coordinate plane

Question 34

Give four examples of CSS transform functions.

Answer 34

rotate scale transform matrix

Question 35

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

Answer 35

color , width, height, min-width

Question 36

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

Answer 36

viewport meta tag

<meta></meta>

The width=device-width part sets the width of the page to follow the screen-width of the device (which will vary depending on the device).
The initial-scale=1.0 part sets the initial zoom level when the page is first loaded by the browser.

Question 37

What is a breakpoint in responsive Web design?

Answer 37

The points at which a media query is introduced - change the design at the size where the content starts to break in some way. Boundary line based on size to shift css or page when its reached

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

Adaptable and scales to viewport size

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