css

Question	Answer
Background-attachment	Sets whether a background image is fixed or scrolls with the rest of the page
Background-clip	Specifies the painting area of the background
Background-position	Sets the starting position of a background image
Background-size	Specifies the size of the background image(s)
background shorthand	background-color background-image background-repeat background-attachment background-position
2 shadow properties	text shadow & box shaddow
Positioning context	Fixed & sticky is the viewport, absolute is another element & relative is itself.
Inline-block vs inline	Inline-block: allows a height & width to be set on an element. display:Inline top & bottom margins & paddings aren’t respected.
pseudo-class	pseudo-class is used to define a special state of an element. Eg :hover, :active, :focus, :first-child, :last-child, :nth-child(n),
pseudo-element	pseudo-element is used to style specified parts of an element. Eg Style the first letter, or line, of an element. Eg ::first-line, ::first-letter, ::before, ::afte
[attribute] selector	[attribute] selector is used to select elements with a specified attribute.
What is Em	Relative to the font-size of the element (2em means 2 times the size of the current font)
what is rem	Relative to font-size of the root element

Resource summary

	Created by Jack Lovett-Earles about 4 years ago