CSS Flashcards
What are the names of the individual pieces of a CSS rule?
selector, declaration body, property, value
In CSS, how do you select elements by their class attribute?
period then name
In CSS, how do you select elements by their type?
element name
In CSS, how do you select an element by its id attribute
pound key then name
Name three different types of values you can use to specify colors in CSS.
color name, hex codes, rgb values
What CSS properties make up the box model?
border, margin, padding
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 keyword added to a selector that specifies a special state of the selected element(s)
What are CSS pseudo-classes useful for?
Style an element when a user mouses over it,
Style an element when it gets focus,
Let users know something is clickable
Name at least two units of type size in CSS.
px, em, rem
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
Why do two div elements “vertically stack” on one another by default?
they have display block as a default
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?
normal flow
How does setting position: relative on an element affect where it appears on the page?
it’s still where it would normally would show up, it can just be adjusted up, down, left, right, from there
How does setting position: absolute on an element affect document flow?
document acts like element doesn’t exist.
It’s on a different layer
How does setting position: absolute on an element affect where it appears on the page?
it acts like its on a different layer
How do you constrain an absolutely positioned element to a containing block?
change the position of container to non-static
What are the four box offset properties?
top, right, bottom, 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?
order the CSS rules are written, the last styling in the rules will be the one applied
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 overrides any previous styling done and disrupts the natural flow of CSS
What does the transform property do?
modifies the coordinate space of the CSS visual formatting model
Give four examples of CSS transform functions.
rotate, scale, skew, or translate
What is a breakpoint in responsive Web design?
mark where new styling will take effect
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?
there will be less width properties, px measurement needs to be exact for different devices
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 cascade facet, source order