CSS

Question 1

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

Answer 1

class , id and type

Question 2

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

Answer 2

use dot then the class name

Question 3

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

Answer 3

by using the 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

hexadecimal, rgba and rgb

Question 6

What CSS properties make up the box model?

Answer 6

border, margin , padding and content itself

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

selector that selects elements that are in a specific state

Question 10

What are CSS pseudo-classes useful for?

Answer 10

its useful by allowing elements to respond to user interactions

Question 11

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

Answer 11

pixel and rem

Question 12

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

Answer 12

font-family

Question 13

What are the four components of “the Cascade”.

Answer 13

Source order. inheritance. Specificity. Importance.

Question 14

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

Answer 14

it means in which order the code is being read top to bottom

Question 15

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

Answer 15

inheritance

Question 16

List the three selector types in order of increasing specificity.

Answer 16

class, id, and element name

Question 17

Why is using !important considered bad practice?

Answer 17

its hard to debug and its hard to overwrite it

Question 18

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

Answer 18

static

Question 19

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

Answer 19

once the positioned element has taken its place in the normal flow, you can then modify its final position

Question 20

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

Answer 20

it will have no effect on it’s positioning at if we dont set the attributes

Question 21

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

Answer 21

An absolutely positioned element no longer exists in the normal document flow

Question 22

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

Answer 22

it sits on its own layer separate from everything else

Question 23

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

Answer 23

by giving the parent element a position relative

Question 24

What are the four box offset properties?

Answer 24

top,right, bottom and left

Question 25

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

Answer 25

width and height

Question 26

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

Answer 26

viewport meta tag

Question 27

What is a breakpoint in responsive Web design?

Answer 27

its the point where the website changes view to be more responsive

Question 28

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 28

percentage is more flexible then px