CSS Flashcards
What are the names of the individual pieces of a CSS rule?
- Selectors
2. declarations
In CSS, how do you select elements by their class attribute?
using the period symbol followed by the name of the class element you want selected
In CSS, how do you select elements by their type?
by matching the elements name
In CSS how do you select an element by its id attribute?
using a hash symbol followed by the name of the id
Name three different types of values you can use to specify colors in CSS
- RGB Values
- Hex Codes
- Color Names
What CSS properties make up the box model?
- content
- border
- margin
- padding
Which CSS property pushes boxes away from each other?
margin
Which CSS property adds space between a box’s content and its border?
padding
What is a pseudo-class?
- class applied by the browser that is only applied in certain circumstances
- a keyword added to a selector that specifies a special state of the selected elements
- let you apply a style to an element not only in relation to the content of the doc tree but also in relation to external factors like history of the navigator (:vistor), status of its content (:checked) or the position of the mouse (:hover)
What are CSS pseudo-classes useful for?
- allow you to write less code
- style an element when user moves over it
- style visited and unvisited links differently
Name at least two units of type size in CSS
- pixels
- em/rem
- percentages
What CSS property controls the font used for the text inside an element
font-family
What is the default flex-direction of a flex container?
row
What is the default flex-wrap of a flex container?
nowrap
Why do two div elements “vertically stack” on one another by default?
because divs are block elements and take up the width of the full line.
What is the default flex-direction of an element with display: flex?
row - left to right
What is the default value for the position property of HTML elements?
static
What are the four box offset properties?
top, bottom, left, right
What does the transform property do?
CSS property that lets you rotate, scale, skew, or translate an element
Give four examples of CSS transform functions
rotate ( )
translate ( )
scale ( )
skew ( )
The transition property is shorthand for which four CSS properties?
transition-delay
transition-duration
transition-property
transition-timing-function
What are the four components of “the cascade”?
source order
inheritance
Specificity
!important
What does the term ‘source order’ mean with respect to CSS?
- the order that your CSS rules are written in your stylesheet
- styling for an element last in your stylesheet is the styling that will ultimately take effect
How is it possible for the styles of an element to be applied to its children as well without an additional CSS rule?
inheritance
List the three selector types in order of increasing specificity
- type selectors
- class selectors
- ID selectors
Why is using !important considered bad practice?
makes debugging difficult by breaking the natural cascading in your stylesheets
What is a breakpoint in responsive Web Design?
the points at which a media query is introduced to change the design to a better one for the space you have available.
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?
allows elements on your page page to change relative to their parents based on the size of the screen they are being viewed on
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?
css-cascade source order
What is a breakpoint in responsive Web Design?
the points at which a media query is introduced to change the design to a better one for the space you have available
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?
allows elements on your page to change relative to their parents based on the size of the screen they are being viewed on
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?
css-cascade source order
