CSS

Question 1

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

Answer 1

Selector, Property, and Value.

Question 2

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

Answer 2

.classname {

}

Question 3

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

Answer 3

nameofelement {

}

Question 4

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

Answer 4

nameofid {

}

Question 5

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

Answer 5

RGBA CSS Function, Hex Codes, and Color Names.

Question 6

What CSS properties make up the box model?

Answer 6

Border, Padding, and Margin.

Question 7

Which CSS property pushes boxes away from each other?

Answer 7

The Margin property pushes boxes away from each other.

Question 8

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

Answer 8

The Padding property adds space between a box’s content and its border.

Question 9

What is a pseudo-class?

Answer 9

Pseudo-class is a keyword added to a selector that specifies a special state of the selected element.

Question 10

What are CSS pseudo-classes useful for?

Answer 10

To apply CSS for a special state of the element that is implied by the browser.

Ex: :hover
:nth-child(odd)

Question 11

Name at least two units of type size in CSS.

Answer 11

Pixels, Percentages, and Ems.

Question 12

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

Answer 12

The font-family property controls the font used for the text inside an element.

Question 13

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

Answer 13

row is the default flex-direction of a flex container.

Question 14

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

Answer 14

nowrap is the default flex-wrap of a flex container.

Question 15

Why do two «a>div</a>> elements “vertically stack” on one another by default?

Answer 15

Two «a>div</a>> elements “vertically stack” on one another because they are block-level elements by default.

Question 16

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

Answer 16

The default flex-direction of an element with display: flex is row.

Question 17

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

Answer 17

Static is the default value for the position property of HTML elements.

Question 18

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

Answer 18

Setting position: relative on an element does not affect the document flow.

Question 19

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

Answer 19

Setting position: relative on an element does not affect where it appears on the page unless an offset value is given.

Question 20

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

Answer 20

Setting position: absolute on an element removes that element from the normal flow of documents.

Question 21

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

Answer 21

Setting position: absolute on an element moves that element to its own layer, and can be moved around with offset values.

Question 22

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

Answer 22

You can constrain an absolutely positioned element to a containing block by using offset values.

Question 23

What are the four box offset properties?

Answer 23

The four box offset properties are: top, bottom, left, and 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

The order of the selectors in your stylesheet.

Lower css rules take precedence over higher css rules.

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

When an inherited property is used on the parent element, and a property isn’t declared on the child.

Question 27

What does the transform property do?

Answer 27

The transform CSS property lets you rotate, scale, skew, or translate an element. It modifies the coordinate space of the CSS visual formatting model.

Question 28

Give four examples of CSS transform functions.

Answer 28

transform: matrix (1, 2, 3, 4, 5, 6)
transform: translate(120px, 50%)
transform: scale(2, 0.5)
transform: rotate(0.5 turn)
transform: skew(30deg, 20deg)

Question 29

The transition property is shorthand for which four CSS properties?

Answer 29

transition-delay
transition-duration
transition-property
transition-timing-function

Question 30

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

Answer 30

min-width
max-width
height
width
orientation
etc.

Question 31

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

Answer 31

The viewport meta tag.

Question 32

What is a breakpoint in responsive Web design?

Answer 32

Point in styling to break to fit new form of styling.

Question 33

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 33

It matches the size of the viewport regardless of its size.

Container should have pixels.

Question 34

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 34

Source order.