CSS Flashcards
What are the names of the individual pieces of a CSS rule?
selector, declaration, property, value
In CSS, how do you select elements by their class attribute?
.name
In CSS, how do you select elements by their type?
name {
In CSS, how do you select an element by its id attribute?
name
Name three different types of values you can use to specify colors in CSS.
RGB, #, Color Name, RGB-A (opacity)
What CSS properties make up the box model?
width, height, padding, margin, border
Which CSS property pushes boxes away from each other?
margin
Which CSS property add space between a box’s content and its border?
padding
What is a pseudo-class?
interacting with different elements (add functionality and customization)
What are CSS pseudo-classes useful for?
implementing on element such as specific number, odd, even
Name two types of units that can be used to adjust font-size in CSS.
pixel, rem, em, %
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?
div is a block element
What is the default flex-direction of an element with display: flex?
row
What is the default value for the position property of HTML elements?
static
How does setting position: relative on an element affect document flow?
It does not change page layout
How does setting position: relative on an element affect where it appears on the page?
It does not affect anything
How does setting position: absolute on an element affect document flow?
It is removed entirely
How does setting position: absolute on an element affect where it appears on the page?
It considers the element to be removed entirely, could potentially change the whole layout
How do you constrain an absolutely positioned element to a containing block?
put position:relative to the parent element
What are the four box offset properties?
top, left, bottom, right
What are the four components of “the Cascade”.
Source Order, Inheritance, Specificity, !important
What does the term “source order” mean with respect to CSS?
order that CSS rules are written in the stylesheet (any style below will overrule the other)
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, class, id
Why is using !important considered bad practice?
makes debugging more difficult by breaking the natural cascading in stylesheets.
What does the transform property do?
lets you rotate, scale, skew, or translate an element. IT modifies the coordinate space of the CSS.
Give four examples of CSS transform functions.
rotate, matrix, scale, skew
The transition property is shorthand for which four CSS properties?
transition-property, transition-duration, transition-timing-function, and transition-delay.
Give two examples of media features that you can query in an @media rule.
min height, max height
Which HTML meta tag is used in mobile-responsive web pages?
viewport meta tag
What is a breakpoint in responsive Web design?
Breakpoint is where the media query rule works on.
It is the line where we choose to restructure the layout
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?
Percentage takes the screen width into consideration; pixels are static and stay the same regardless of adjusting the screen size.
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?
Because of CSS Cascade; specifically the source order component of the Cascade. Priority is given to CSS rules that are lower on the page.
