There is in fact no official guideline for each CSS shorthand property value, this Property Guideline CSS shorthand may help you during design work that we have organized collectively.
Background
background-color:#fff;
background-image:url(background.gif);
background-repeat:no-repeat;
background-position:top left;
Woh… it’s too long, take a look at this.
background:#fff url(background.gif) no-repeat top left;
Font
font-size:1em;
line-height:2em;
font-weight:bold;
font-style:italic;
font-family:arial;
Shorthand:
font:1em/2em bold italic serif;
Margin & padding
There are different shorthand properties for margin & padding.
Four [...]