CSS Flashcards
What are the four components of “the Cascade”.
Source order, inheritance, specificity, and !Important
What does the term “source order” mean with respect to CSS?
The order that your CSS rules are written in your stylesheet
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?
It makes debugging more difficult by breaking the natural cascading in your stylesheets
What are the names of the individual pieces of a CSS rule?
css rule set, css selector, css declaration, properties, values
In CSS, how do you select elements by their class attribute?
.class
In CSS, how do you select elements by their type?
with the element tag
In CSS, how do you select an element by its id attribute?
id
Name three different types of values you can use to specify colors in CSS.
rgb, hex codes, color names
What CSS properties make up the box model?
margin border padding content
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?
A CSS pseudo-class is a keyword added to a selector that specifies a special state of the selected element(s). For example, :hover can be used to change a button’s color when the user’s pointer hovers over it.
What are CSS pseudo-classes useful for?
adding additional styling and interactivity
Name at least two units of type size in CSS.
px, 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?
no-wrap
What is the default flex-direction of an element with display: flex?
row
Why do two div elements “vertically stack” on one another by default?
because they’re block level elements
What does the transform property do?
The transform CSS property lets you rotate, scale, skew, or translate an element. It modifies the coordinate space of the CSS visual formatting model.
Give four examples of CSS transform functions.
translate, scale, rotate, skew
The transition property is shorthand for what four CSS properties?
transition-property, transition-duration, transition-timing-function, transition-delay
Give two examples of media features that you can query in an @media rule.
width, height, device width, aspect ratio
Which HTML meta tag is used in mobile-responsive web pages?
viewport
What is a breakpoint in responsive Web design?
a point at which the content is adjusted for some metric
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?
so you don’t have to change the px width on multiple break points
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 they come after the other styles in the cascade
