CSS Properties Reference...

Browser support: IE: Internet Explorer, F: Firefox, N: Netscape.

W3C: The number in the "W3C" column indicates in which CSS recommendation the property is defined (CSS1 or CSS2).
BACKGROUND

Property	Description	Values	IE	F	N	W3C
background	A shorthand property for setting all background properties in one declaration	background-color background-image background-repeat background-attachment background-position	4	1	6	1
background-attachment	Sets whether a background image is fixed or scrolls with the rest of the page	scroll fixed	4	1	6	1
background-color	Sets the background color of an element	color-rgb color-hex color-name transparent	4	1	4	1
background-image	Sets an image as the background	url none	4	1	4	1
background-position	Sets the starting position of a background image	top left top center top right center left center center center right bottom left bottom center bottom right x-% y-% x-pos y-pos	4	1	6	1
background-repeat	Sets if/how a background image will be repeated	repeat repeat-x repeat-y no-repeat	4	1	4	1

TEXT

Property	Description	Values	IE	F	N	W3C
color	Sets the color of a text	color	3	1	4	1
direction	Sets the text direction	ltr rtl	6	1	6	2
letter-spacing	Increase or decrease the space between characters	normal length	4	1	6	1
text-align	Aligns the text in an element	left right center justify	4	1	4	1
text-decoration	Adds decoration to text	none underline overline line-through blink	4	1	4	1
text-indent	Indents the first line of text in an element	length %	4	1	4	1
text-shadow		none color length
text-transform	Controls the letters in an element	none capitalize uppercase lowercase	4	1	4	1
unicode-bidi		normal embed bidi-override	5			2
white-space	Sets how white space inside an element is handled	normal pre nowrap	5	1	4	1
word-spacing	Increase or decrease the space between words	normal length	6	1	6	1

FONT

Property	Description	Values	IE	F	N	W3C
font	A shorthand property for setting all of the properties for a font in one declaration	font-style font-variant font-weight font-size/line-height font-family caption icon menu message-box small-caption status-bar	4	1	4	1
font-family	A prioritized list of font family names and/or generic family names for an element	family-name generic-family	3	1	4	1
font-size	Sets the size of a font	xx-small x-small small medium large x-large xx-large smaller larger length %	3	1	4	1
font-size-adjust	Specifies an aspect value for an element that will preserve the x-height of the first-choice font	none number	-	-	-	2
font-stretch	Condenses or expands the current font-family	normal wider narrower ultra-condensed extra-condensed condensed semi-condensed semi-expanded expanded extra-expanded ultra-expanded	-	-	-	2
font-style	Sets the style of the font	normal italic oblique	4	1	4	1
font-variant	Displays text in a small-caps font or a normal font	normal small-caps	4	1	6	1
font-weight	Sets the weight of a font	normal bold bolder lighter 100 200 300 400 500 600 700 800 900	4	1	4	1

BORDER

Property	Description	Values	IE	F	N	W3C
border	A shorthand property for setting all of the properties for the four borders in one declaration	border-width border-style border-color	4	1	4	1
border-bottom	A shorthand property for setting all of the properties for the bottom border in one declaration	border-bottom-width border-style border-color	4	1	6	1
border-bottom-color	Sets the color of the bottom border	border-color	4	1	6	2
border-bottom-style	Sets the style of the bottom border	border-style	4	1	6	2
border-bottom-width	Sets the width of the bottom border	thin medium thick length	4	1	4	1
border-color	Sets the color of the four borders, can have from one to four colors	color	4	1	6	1
border-left	A shorthand property for setting all of the properties for the left border in one declaration	border-left-width border-style border-color	4	1	6	1
border-left-color	Sets the color of the left border	border-color	4	1	6	2
border-left-style	Sets the style of the left border	border-style	4	1	6	2
border-left-width	Sets the width of the left border	thin medium thick length	4	1	4	1
border-right	A shorthand property for setting all of the properties for the right border in one declaration	border-right-width border-style border-color	4	1	6	1
border-right-color	Sets the color of the right border	border-color	4	1	6	2
border-right-style	Sets the style of the right border	border-style	4	1	6	2
border-right-width	Sets the width of the right border	thin medium thick length	4	1	4	1
border-style	Sets the style of the four borders, can have from one to four styles	none hidden dotted dashed solid double groove ridge inset outset	4	1	6	1
border-top	A shorthand property for setting all of the properties for the top border in one declaration	border-top-width border-style border-color	4	1	6	1
border-top-color	Sets the color of the top border	border-color	4	1	6	2
border-top-style	Sets the style of the top border	border-style	4	1	6	2
border-top-width	Sets the width of the top border	thin medium thick length	4	1	4	1
border-width	A shorthand property for setting the width of the four borders in one declaration, can have from one to four values	thin medium thick length	4	1	4	1

MARGIN

Property	Description	Values	IE	F	N	W3C
margin	A shorthand property for setting the margin properties in one declaration	margin-top margin-right margin-bottom margin-left	4	1	4	1
margin-bottom	Sets the bottom margin of an element	auto length %	4	1	4	1
margin-left	Sets the left margin of an element	auto length %	3	1	4	1
margin-right	Sets the right margin of an element	auto length %	3	1	4	1
margin-top	Sets the top margin of an element	auto length %	3	1	4	1

PADDING

Property	Description	Values	IE	F	N	W3C
padding	A shorthand property for setting all of  the padding properties in one declaration	padding-top padding-right padding-bottom padding-left	4	1	4	1
padding-bottom	Sets the bottom padding of an element	length %	4	1	4	1
padding-left	Sets the left padding of an element	length %	4	1	4	1
padding-right	Sets the right padding of an element	length %	4	1	4	1
padding-top	Sets the top padding of an element	length %	4	1	4	1

LIST

Property	Description	Values	IE	F	N	W3C
list-style	A shorthand property for setting all of the properties for a list in one declaration	list-style-type list-style-position list-style-image	4	1	6	1
list-style-image	Sets an image as the list-item marker	none url	4	1	6	1
list-style-position	Sets where the list-item marker is placed in the list	inside outside	4	1	6	1
list-style-type	Sets the type of the list-item marker	none disc circle square decimal decimal-leading-zero lower-roman upper-roman lower-alpha upper-alpha lower-greek lower-latin upper-latin hebrew armenian georgian cjk-ideographic hiragana katakana hiragana-iroha katakana-iroha	4	1	4	1
marker-offset		auto length		1	7	2

Dimension

Property	Description	Values	IE	F	N	W3C
height	Sets the height of an element	auto length %	4	1	6	1
line-height	Sets the distance between lines	normal number length %	4	1	4	1
max-height	Sets the maximum height of an element	none length %	-	1	6	2
max-width	Sets the maximum width of an element	none length %	-	1	6	2
min-height	Sets the minimum height of an element	length %	-	1	6	2
min-width	Sets the minimum width of an element	length %	-	1	6	2
width	Sets the width of an element	auto % length	4	1	4	1

Classification

Property	Description	Values	IE	F	N	W3C
clear	Sets the sides of an element where other floating elements are not allowed	left right both none	4	1	4	1
cursor	Specifies the type of cursor to be displayed	url auto crosshair default pointer move e-resize ne-resize nw-resize n-resize se-resize sw-resize s-resize w-resize text wait help	4	1	6	2
display	Sets how/if an element is displayed	none inline block list-item run-in compact marker table inline-table table-row-group table-header-group table-footer-group table-row table-column-group table-column table-cell table-caption	4	1	4	1
float	Sets where an image or a text will appear in another element	left right none	4	1	4	1
position	Places an element in a static, relative, absolute or fixed position	static relative absolute fixed	4	1	4	2
visibility	Sets if an element should be visible or invisible	visible hidden collapse	4	1	6	2

Positioning

Property	Description	Values	IE	F	N	W3C
bottom	Sets how far the bottom edge of an element is above/below the bottom edge of the parent element	auto % length	5	1	6	2
clip	Sets the shape of an element. The element is clipped into this shape, and displayed	shape auto	4	1	6	2
left	Sets how far the left edge of an element is to the right/left of the left edge of the parent element	auto % length	4	1	4	2
overflow	Sets what happens if the content of an element overflow its area	visible hidden scroll auto	4	1	6	2
position	Places an element in a static, relative, absolute or fixed position	static relative absolute fixed	4	1	4	2
right	Sets how far the right edge of an element is to the left/right of the right edge of the parent element	auto % length	5	1	6	2
top	Sets how far the top edge of an element is above/below the top edge of the parent element	auto % length	4	1	4	2
vertical-align	Sets the vertical alignment of an element	baseline sub super top text-top middle bottom text-bottom length %	4	1	4	1
z-index	Sets the stack order of an element	auto number	4	1	6	2

Pseudo-classes

Pseudo-class	Purpose	IE	F	N	W3C
:active	Adds special style to an activated element	4	1	8	1
:focus	Adds special style to an element while the element has focus	-	-	-	2
:hover	Adds special style to an element when you mouse over  it	4	1	7	1
:link	Adds special style to an unvisited link	3	1	4	1
:visited	Adds special style to a visited link	3	1	4	1
:first-child	Adds special style to an element that is the first child of some other element		1	7	2
:lang	Allows the author to specify a language to use in a specified element		1	8	2

Pseudo-elements

Pseudo-element	Purpose	IE	F	N	W3C
:first-letter	Adds special style to the first letter of a text	5	1	8	1
:first-line	Adds special style to the first line of a text	5	1	8	1
:before	Inserts some content before an element		1.5	8	2
:after	Inserts some content after an element		1.5	8	2

Different Media Types

Media Type	Description
all	Used for all media type devices
aural	Used for speech and sound synthesizers
braille	Used for braille tactile feedback devices
embossed	Used for paged braille printers
handheld	Used for small or handheld devices
print	Used for printers
projection	Used for projected presentations, like slides
screen	Used for computer screens
tty	Used for media using a fixed-pitch character grid, like teletypes and terminals
tv	Used for television-type devices