CSS

Question 1

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

Answer 1

CSS rule set consists of:
A selector & declaration.
Inside declaration is a property & value.

Question 2

In CSS, how do you select elements with theirclassattribute?

Answer 2

Period & class value.

Question 3

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

Answer 3

Just simply write their element name.

Question 4

In CSS, how do you select an element with itsidattribute?

Answer 4

Hashtag & id name.

Question 5

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

Answer 5

HEX codes, writing out the color names, & the RGB value.

Question 6

What CSS properties make up the box model?

Answer 6

Height & Width (from the content), padding, border, & margin.

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

A pseudo-class isa class applied by the browser that selects elements that are in a specific state.

Question 10

What are CSS pseudo-classes useful for?

Answer 10

Styling links, & responding to users by highlighting their current position.

Question 11

Name two types of units that can be used to adjustfont-sizein CSS.

Answer 11

Pixel, em, rem & percent.

Question 12

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

Answer 12

Font-family property.

Question 13

What is the defaultflex-directionof aflexcontainer?

Answer 13

Left to right (row).

Question 14

What is the defaultflex-wrapof aflexcontainer?

Answer 14

No wrap.

Question 15

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

Answer 15

Because they are block elements, by default.

Question 16

What is the defaultflex-directionof an element withdisplay: flex?

Answer 16

Left to right (row).

Question 17

What is thedefaultvalue for thepositionproperty of HTML elements?

Answer 17

The “static” position.

Question 18

How does settingposition: relativeon an element affect document flow?

Answer 18

Relative positioning moves an element in relation to where it would have been in the NORMAL FLOW (aka static).

Question 19

How does settingposition: relativeon an element affect where it appears on the page?

Answer 19

Same spot. Nothing changes.

Question 20

How does settingposition: absoluteon an element affect document flow?

Answer 20

It doesn’t affect the document flow at all. The idea of the value “absolute”, is that the box is taken out of normal flow and no longer affects the position of other elements on the page.

Question 21

How does settingposition: absoluteon an element affect where it appears on the page?

Answer 21

Position absolute takes the document out of the document flow. This means that it no longer takes up any space like what static and relative does. When position absolute is used on an element, it is positioned absolutely with reference to the closest parent that has a position relative value.

Question 22

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

Answer 22

Change the position to fixed.

Question 23

What are the four box offset properties?

Answer 23

Top, bottom, left, right.

Question 24

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

Answer 24

CSS rule set consists of:
A selector & declaration.
Inside declaration is a property & value.

Question 25

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

Answer 25

CSS rule set consists of: A selector & declaration. Inside declaration is a property & value.

Question 26

What are the four components of "the Cascade".

Answer 26

Source order, inheritance, specificity & the important rule.

Question 27

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

Answer 27

Property values sorted by ascending order value in which it goes from weakest to strongest value.

Question 28

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

Answer 28

The inheritance feature.

Question 29

List the three selector types in order of increasing specificity.

Answer 29

Type, class & ID.

Question 30

Why is using !important considered bad practice?

Answer 30

Using !important is bad practice & should be avoided because it makes debugging more difficult by breaking the natural cascading in your stylesheets.

Question 31

What does the transform property do?

Answer 31

The CSS transform property lets you rotate, scale, skew, or translate an element.

Question 32

Give four examples of CSS transform functions.

Answer 32

rotate, skew, scale, translate.

Question 33

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

Answer 33

``` Height = height of the viewport. Width = Width of the viewport including the scrollbar. ```

Question 34

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

Answer 34

The viewport meta tag.

Question 35

The transition property is shorthand for which four CSS properties?

Answer 35

Transition-property: sets the CSS properties to which a transition effect should be applied. Transition-duration: sets the length of time a transition animation should take to complete. By default, the value is 0s, meaning that no animation will occur. Transition-timing-function: sets how intermediate values are calculated for CSS properties being affected by a transition effect. Transition-delay: specifies the duration to wait before starting a property's transition effect when its value changes.

Question 36

What is a breakpoint in responsive Web design?

Answer 36

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. Instead of catering to every specific dimensions for every specific device, breakpoint caters to specific needs when every range is catered for.

Question 37

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 37

Percentages are fluid. Pixels are fixed so therefore will cause complications when dealing with different layout sizes.

Question 38

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 38

Because in CSS, the style sheets cascade by order of importance. The key is do order each ruleset from smallest width to largest width.