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?
.class-name
In CSS, how do you select elements by their type?
element-type
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 values, hex codes, color values
What CSS properties make up the box model?
padding, border, margin
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 to element by browser in special circumstances
What are CSS pseudo-classes useful for?
applying styling based on user actions
Name at least two units of type size in CSS.
pixels, percentages, ems
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-level 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 doesn’t change anything
How does setting position: relative on an element affect where it appears on the page?
It moves the element relative to its normal position
How does setting position: absolute on an element affect document flow?
The surrounding elements act like the element isn’t there and fill the gap
How does setting position: absolute on an element affect where it appears on the page?
It moves the element in relation to the containing non-static element
How do you constrain an absolutely positioned element to a containing block?
The container must be non-static too
What are the four box offset properties?
top, bottom, right, left
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 CSS rules are written in the stylesheet
How is it possible for the styles of an element to be applied to its children as well without an additional CSS rule?
for some properties, children inherit the styles of the parent element
List the three selector types in order of increasing specificity.
type, .class, #id
Why is using !important considered bad practice?
breaks the natural cascading of styles, making it harder to pinpoint any issues in the stylesheet
What does the transform property do?
moves an element along the CSS coordinate plane
Give four examples of CSS transform functions.
translate( ), rotate( ), scale( ), skew( )
The transition property is shorthand for which 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.
hover, min-width
Which HTML meta tag is used in mobile-responsive web pages?
viewport meta tag
What is a breakpoint in responsive Web design?
the points at which a media query is introduced
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?
it adjusts with the size of the screen
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?
source order
