The display mode of the element
block element
inline elements
inline block element
Element display summary
Conversion of element display mode
Convert to block element display:block
Convert to inline element display: inline
Convert to inline block element dispaly:inline-block
CSS background
background-color background-color
background image background-imag
There must be url()
Background tiling background-repat
Background image position background-position
1. Parameters are positional nouns
2. Parameters are precise units
3. Parameters are mixed units
Background fixed (background attachment, background image fixed) background-attchment
background composite writing
Background translucent background: rgba()
Background summary
