CSS

Question 1

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

Answer 1

you have a . in front of the class.

for example:

.article

Question 2

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

Answer 2

just type at the name of the type: h1, body, header, etc.

Question 3

In CSS, how do you select an element by it [id] attribute

Answer 3

you use the #{name of idea) to select the element with the ID

Question 4

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

Answer 4

• RGB Values: rgb(xxx, xxx, xxx)
• Color Names: very light blue
• Hex codes (#xxxxxx)

Question 5

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

Answer 5

Static

Question 6

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

Answer 6

It does not affect document flow

Question 7

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

Answer 7

It will be taken out of normal flow and other elements will ignore that element like it did not exist.

Question 8

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

Answer 8

It will position itself compared to its parent element that is NOT STATIC. If there is no non-static element, it will position itself against the Viewport/webpage.

Question 9

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

Answer 9

Set position: (non-static:) to any of the parent elements.

Question 10

What are the four box offset properties?

Answer 10

Top, Bottom, Left, Right

Question 11

What are the four components of “the Cascade”

Answer 11

Source Order, inheritance, specificity, !imporant

Question 12

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

Answer 12

The order which the rules are written in your style sheet

Question 13

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

Answer 13

You would set the value to inheritance;

Question 14

List the three selector types in order of increasing specificity.

Answer 14

element type, id, class.

Question 15

Why is using !important considered bad practice?

Answer 15

It breaks the natural css-cascading and it makes debugging harder.

Question 16

The transition property is shorthand for which four CSS properties?

Answer 16

It is a shorthand property for : 
transition-delay:
transition-duration
transition-property
transition-timing-function

Question 17

Give Two Examples of media features that you cna query in an @media rule

Answer 17

width, height, orientation

Question 18

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

Answer 18

meta tag

Question 19

What is a breakpoint in responsive Web design?

Answer 19

It is when the page changes the layout or parts of the layout depending on the width of to better suit various screen sizes.

Question 20

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 20

Percentages better respond to breakpoints, the element will adjust the size depending on the parent node. which will be altered by screen size.

Question 21

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 21

Because of CSS Cascade order.