CSS Flashcards
What are the names of the individual pieces of a CSS rule?
selector, declaration block, declaration, property, value
In CSS, how do you select elements by their class attribute?
Use a . followed by the desired class
In CSS, how do you select elements by their type?
Use the name of the desired type
In CSS, how do you select an element by its id attribute?
Use a # followed by the desired id
Name three different types of values you can use to specify colors in CSS.
keywords (e.g. white, lightblue), RGB values, and hex code
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) (e.g. :hover allows css to alter an element when the cursor is hovering over the element)
What are CSS pseudo-classes useful for?
They allow you to apply styles to objects based on external factors, such as user interaction (e.g. :hover) and navigation history (e.g. :visited); generally simplifies code
Name at least two units of type size in CSS.
px, %, 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
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?
The document will continue to flow as usual
How does setting position: relative on an element affect where it appears on the page?
The element will appear offset relative to it’s position in normal flow
How does setting position: absolute on an element affect document flow?
The document will ignore the element, flowing as if the element was not there
How does setting position: absolute on an element affect where it appears on the page?
The element will appear offset relative to the first non-static parent element, and will be unaffected by the position of other elements
How do you constrain an absolutely positioned element to a containing block?
Change the containing block’s position property to anything besides static
What are the four box offset properties?
top, bottom, right, left
What are the four components of “the Cascade”.
source order, inheritance, specificity, !important
