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?
margin, border, 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) e.g. they are the first element of their type, or they are being hovered over by the mouse pointer
What are CSS pseudo-classes useful for?
enables you to target an element when it’s in a particular state, such as when a user hovers over a link, the color and background-color of that link could be reversed
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 are block elements by 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?
it completely ignores document flow
How does setting position: absolute on an element affect where it appears on the page?
elements are removed entirely from the document flow and will overlap other content. That means they have no effect at all on their parent element or on the elements that occur after them in the source code.
How do you constrain an absolutely positioned element to a containing block?
change the position of container to anything other than 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?
Lets you rotate, scale, skew, or translate an element. 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 that changes a websites content and design
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 scales based on the current size of the the container
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
