CSS Level 1 and CSS-P Quick Reference Chart (1)

Brief Property Descriptions

Property Description Page Refs.
background Shorthand for setting next five background properties (color, image, attachment, image position and image tiling rules) 79, 200, 576
background-attachment Set background to scroll with the page (default) or to remain fixed with the page scrolling on top of it. 200, 576-578
background-color Sets the background color for an element. Note that background color is opaque, and hides whatever is behind it. 56-57, 73, 78, 192-193, 578
background-image Sets (using a URL) the image to use as a background. The image is tiled according to the rules set by background-repeat. 78, 135-136, 193, 579
background-position Set position for initial placement of the background image -tiling starts from this position. Applies only to block elements. 195-199, 579
background-repeat Define how the background image is tiled (e.g., left-to right only, top-to-bottom only, or not at all). 193-195, 580
border Shorthand for setting identical border widths and properties for all four borders around an element. 580
border-bottom Sets the border properties (size, style and color) for the border at the bottom of an element. 135, 181-189, 581
border-bottom-width Sets the width of the border at the bottom of an element. With inline elements, this does not affect line spacing. 174, 181-189, 582
border-color Shorthand for setting the color for all four borders. The default color is set by the color property. 583
border-left Sets the border properties (size, style and color) for the border at the left of an element. 135, 584
border-left-width Sets the width of the border to the left of an element. With inline elements this does affect spacing between the element and text to it's left. 174, 175-181, 585
border-right Sets the border properties (size, style and color) for the border at the right of an element. 585
border-right-width Sets the width of the border to the left of an element. With inline elements, this does affect spacing between the element and text to it's right. 174, 175-181, 586
border-style Shorthand for setting the style (solid, dashed, etc.) for all four borders around an element. 587
border-top Sets the width of the border at the top of an element. With inline elements this does not affect line spacing. 56-57, 115, 135, 587
border-top-width Sets the width of the border at the top of an element. With inline elements this does not affect line spacing. 174, 181-189, 588
border-width Shorthand for setting the widths of all four borders of an element. 588
clear Clear an element to move down so that the margin is clear to the left (clear: left), to the right (clear: right) or to both margins (clear: both). (Analogous to - and replaces - the HTML markup <br clear="left">, etc.) 276-277, 279, 590
color Set the foreground (i.e., text) color. This is also the default color for element borders. 56-57, 83-87, 591
display Defines the display type (i.e. block, inline, or list-item) for the element. The value "none" removes the element from display -- the page is formatted as if the element were not part of the document. 200-201, 310, 329, 594
float Float an element to the left or right (or turn floating off). This "floats" an element within the block element the element is directly inside. (Analogous to - and replaces - align="left" (etc.) attributes on HTML img elements). 140, 201, 204, 265, 268-270, 340, 596
font Shorthand for setting properties of the text font (family, size, weight, variant, style, and line height) 596
font-family Specify the desired font family for the text in an element. Given as a comma-separated list of desired fonts, in decreasing order of preference. 55-57, 73-76, 448, 450-451, 597
font-size Sets the desired size for text inside the element. 57, 76-77, 451, 598
font-style Sets the style (e.g., italic) for text inside the element. 73, 77, 598
font-variant Set the variant (e.g. small-caps) for text inside the element. 73, 77, 79, 80, 451, 599
font-weight Set the weight or boldness for text inside the element. 73, 77, 599
height Sets the height for an element, Relevant only for block elements, replaced elements (such as inline images), and absolutely positioned element (see position). 128-131, 173, 174, 181-189, 204-206, 600
letter-spacing Adjust the spacing between letters relative to a default value. Negative values can lead to overlapping letters. 77, 602
line-height Set the line height or spacing between lines inside a block element. 169-173, 602
list-style Shorthand for setting the three list style properties described below. 189, 603
list-style-image Set (using a URL) an image to use as the marker for the list items. This overrides the marker set by list-style-type. 189-191, 603
list-style-position Set whether list items should wrap around the list item marker (inside) or should line up next to the marker (outside). 188-191, 603
list-style-type Set the type of the list, and the marker to use for the items (e.g., circles, digits, roman numbers, etc.) 188-191, 604
margin Shorthand for setting the margins on all four sides of an element (can set different margin settings on each side) 173-174, 604
margin-bottom Set the margin length (positive or negative) at the top of an element. With inline elements, this does not affect line spacing to the next line. 174, 181-189, 269-273, 605
margin-left Set the margin length (positive or negative) to the left of an element. With inline elements, this does affect spacing between the element and text to it's left. 173-181, 269-273, 605
margin-right Set the margin length (positive or negative) to the right of an element. With inline elements, this does affect spacing between the element and text to it's right. 174,-181, 269-273, 282, 606
margin-top Set the margin length (positive or negative) at the top of an element. With inline elements, this does not affect line spacing from the preceding line. 174, 181-189, 269-273, 282, 606
padding Shorthand for setting padding space on all sides of an element (can set different padding sizes for all four sides) 115, 135-136, 173-174, 610
padding-bottom Set padding space at the bottom of an element. With inline elements, this does not affect line spacing. 174, 181-189, 611
padding-left Set padding space for the left side of an element. . With inline elements this does affect spacing between the element and text to it's left. 174, 175-181, 612
padding-right Set padding space for the right side of an element. With inline elements, this does affect spacing between the element and text to it's right. 174-181, 613
padding-top Set padding space at the top of an element. With inline elements, this does not affect line spacing. 174, 181-189, 613

 

Property Descriptions (Cont.)

Property Description Page Refs.
text-align Set text alignment (left, right, justify, center) for text inside a block element. (Analogous to - and replaces - align="left" (etc.) attributes on HTML block elements such as p or div). 147, 164, 204, 371, 615
text-decoration Set the text decoration (underline, strike-through, etc.) for the text content. 73, 77-78, 616
text-indent Set the indent (positive or negative) for the first line of a block element. Negative value produce a 'hanging' indent. 164-165, 617
text-transform Transforms text before it is displayed, (e.g., to uppercase, to lowercase, or capitalize all first letters) 78, 617
vertical-align Define how an element is vertically aligned relative to adjacent content, (e.g., super- or subscripts, middle-alignment, baseline-alignment, etc.) Applies only to inline elements. 115, 131-134, 139, 370, 619
white-space Defines how white space should be handled inside the element (e.g., preserve them (like inside an HTML pre element), collapse them, or disallow line wrapping in the absence of line breaks) 166-168, 621
width Sets the width for an element, Relevant only for block elements and replace elements (such as inline images). 128-131, 173-174,-181, 204-206, 375-377, 621
word-spacing Adjust the spacing between words relative to the default value. Negative values may cause words to overlap. Applies only to block elements. 78, 164, 623
CSS Positioning Properties    
clip Sets a clipping window for positioned elements -- content outside the window can be clipped (see overflow). 310, 315, 3316-317, 590
left Defines the position of the left side of a positioned element relative to a well-defined origin. The origin depends on how the element is positioned (absolute or relative). 310, 312-314, 319-321, 601
overflow Defines how clipped content should be displayed. The value clip means that content outside the clipping window is clipped, while scroll calls for scrollbars inside the clipping window, if needed. 310, 315-319, 182-184, 281-282, 610
position Sets the positioning model for an element: absolute and relative define the special CSS-Positioning models; the default is static, which corresponds to the standard (non-positioned) mechanism. 309, 310-317, 613
top Defines the position of the top side of a positioned element relative to a well-defined origin. The origin depends on how the element is positioned (absolute or relative). 310, 312-314, 319-321, 618
visibility Sets whether or not the element content is visible or invisible. 310, 324-329, 382-385, 620
z-index Positioned elements can appear one above the other - z-index defines the order in which they appear (relative to the other specially positioned elements). 310, 311, 314-315, 322-326, 623

Pseudo-Elements, Pseudo-Classes and Special Declarations

Term Description Page Refs.
A) Pseudo-Elements

:first-line Selects for the first line in a block element, and applies only to block elements (e.g. p:first-line) 168-170
:first-letter Selects for the first letter in an element (e.g., span:first-letter) 168-170
B) Pseudo-Classes

:link Select for hypertext links that are links to elsewhere (i.e., have an href attribute) (e.g. a:link) 108-109, 110, 112
:visited Selects for hypertext links that are links to elsewhere and that have already been visited by the user. 108,109, 110-112
:active Selects for hypertext links that are links to elsewhere and that are active (i.e., the user has selected the link) 110, 112
:hover (CSS Level 2) Selects for elements the mouse pointer is "hovering" above: often used to change the background color behind links when the mouse "rolls over" the link. (e.g. a:link:hover) 109-111, 111-112
C) Other CSS Declarations

!important Appears at the end of a declaration (e.g., color: red !important) and raises the 'weight' of the declaration so that it overrides all others that might apply to the same element. 87, 443, 445-448
@import Used to import an external style sheet inline into the current style sheet. Must appear at the start of the style sheet. (E.g., import url(http://somewhere.org/styles/mystyle.css); ) 443-445, 446

CSS Level 1 Selectors

Selector Example Description Page Refs.
div.main Class-based selector: Selects all div elements having the attribute class="main" 56, 81, 460
pre#special ID-based selector: Selects all pre elements having the attribute id="special" (Note: there can be only one such elements -- no two elements in a document can have the same id attribute value) 82, 84, 460
.main Select for all elements of any type having the attribute class="main" 81, 460
div.main em Contextual selector: Selects for em elements that are somewhere inside a div element having the attribute class="foo" 82, 460
a.navbar:visited Selects for a elements corresponding to already visited hypertext links that also have the attribute class="navbar" 108-112, 460
span Element-based selector: Selects for all span elements 55-56, , 460
p em, div.foo Grouped selector: Selects for all em elements somewhere inside a p element, and also, selects for all div elements of class="foo". 56, 460

 

 

Page References: Refer to pages in The XHTML 1.0 Language and Design Sourcebook

 

 

CSS Level 1 and CSS-P Quick Reference Chart

Property values, elements to which properties apply, and browser support

(Table key on next page)

Property

Supported Values

Inherit?

(Y = yes)
Applies to

Elements:

Browser Support

NN4.x NN6 IE4.x IE5 IE5.5 OP3.6 OP4.02
background shorthand for background properties   A P,B Y B Y Y P Y,B
background-attachment scroll, fixed   A Y Y Y Y Y
background-color color, transparent   A P,B Y Y Y Y Y B
background-image url(urlstring), none   A Y Y Y Y Y Y Y
background-position several possible values (see text)   B, R Y B Y Y Y Y
background-repeat no-repeat, repeat, repeat-x, repeat-y   A P Y B Y Y Y Y
border shorthand for border properties

A P,B! Y Y

Y,P Y
border-bottom shorthand for bottom border properties   A Y P P (Y Mac) Y Y,P Y
border-bottom-width medium, thick, thin, length   A Y Y P P (Y Mac) Y Y Y
border-color 1 to 4 color values   A P Y Y Y Y Y Y
border-left shorthand for left border properties   A Y P P (Y Mac)   Y,P Y
border-left-width medium, thick, thin, length   A P Y P P (Y Mac) Y Y Y
border-right shorthand for right border properties   A Y P P (Y Mac) Y Y,P Y
border-right-width medium, thick, thin, length   A Y Y P P (Y Mac) Y Y Y
border-style 1 to 4 values, each being dashed, dotted, double, groove, inset, none, outset, ridge, solid   A P Y P P P Y Y
border-top shorthand for top border properties   A Y P P (Y Mac) Y Y,P Y
border-top-width medium, thick, thin, length   A Y Y P P (Y Mac) Y Y Y
border-width shorthand for four border widths   A B Y P P Y Y Y
clear both, left, none, right   A B Y B (Y Mac) B (Y Mac) Y P (no left) Y
color color

Y

A Y Y Y Y Y Y Y
display block, inline, list-item, none   A B Y B P (Y Mac) P P,B (no lists) Y
float left, none, right   A B! Y B! B (Y Mac) Y Y,B B
font shorthand for font properties

Y

A P Y Y Y Y Y Y
font-family comma-separated font names

Y

A P Y Y Y Y Y Y
font-size xx-small, x-small, small, medium, large, x-large, xx-large, larger, smaller, length, num%

Y

A Y Y B Y Y Y Y
font-style normal, italic, oblique

Y

A P Y Y Y Y Y Y
font-variant normal, small-caps

Y

A Y Y Y Y Y Y
font-weight bolder, lighter, 100, 200, 300, 400, 500, 600, 700, 800, 900

Y

A P Y Y Y Y Y Y
height auto, length, num%   B, R, AP P,B Y Y Y Y Y Y
letter-spacing normal, length

Y

A Y Y Y Y Y Y
line-height normal, length, num, num%

Y

B P,B Y Y Y Y Y Y
list-style shorthand for list properties

Y

L P Y Y Y Y Y Y
list-style-image url(urlstring), none

Y

L Y Y Y Y Y Y
list-style-position inside, outside

Y

L Y Y Y Y Y Y
List-style-type circle, disc, none, square, decimal, lower-alpha, lower-roman, upper-alpha, upper-roman

Y

L Y Y Y Y Y Y Y
margin shorthand for margin properties   A P,B Y P,B P (Y Mac) Y Y Y
margin-bottom auto, length, num%   A B Y P,B P (Y Mac) Y Y Y
margin-left auto, length, num%   A B Y P,B P (Y Mac) Y Y B
margin-right auto, length, num%   A B Y P,B P (Y Mac) Y Y B
margin-top auto, length, num%   A B Y P,B P (Y Mac) Y Y Y
padding shorthand for padding properties   A B Y P P (Y Mac) Y B Y
padding-bottom length, num%   A B Y P P (Y Mac) Y Y Y
padding-left length, num%   A B Y P P (Y Mac) Y Y Y
padding-right length, num%   A B Y P P (Y Mac) Y Y Y
padding-top length, num%   A B Y P P (Y Mac) Y Y Y
text-align center, justify, left, right

Y

B Y Y Y Y Y Y Y
text-decoration none, or one or more of: blink, line-through, overline, underline   A P Y P(no blink) P(no blink) P(no blink) P (no blink) Y
text-indent length, num%

Y

B Y Y Y Y Y Y Y
text-transform capitalize, lowercase, none, uppercase

Y

A Y Y Y Y Y P,B Y

Property values ... (Cont.)

Property

Values

Inherit?

(Y = yes)
Applies to

Elements:

Browser Support

NN4.x NN6 IE4.x IE5.x IE5.5 OP3.6 OP4.02
vertical-align baseline, sub, super ,top, text-top, middle, bottom, text-bottom, num%   I P,B Y P P (Y Mac) P P.B Y
white-space normal, nowrap, pre

Y

B P Y (Y Mac) P Y
width auto, length, num%   B, R, AP B Y B B (Y Mac) Y Y,B Y
word-spacing normal, length

Y

A Y (Y Mac) (Y Mac) Y Y
CSS Positioning Properties
clip auto, rect(len1, len2, len3, len4)   AP Y Y B Y Y
left auto, length, num%   AP,RP Y Y B Y Y B
overflow none, clip, scroll   AP,RP Y Y B Y Y P
position absolute, relative, static   A Y Y B Y Y B
top auto, length, num%   AP,RP Y Y B Y Y B
visibility hidden, inherit, visible

(Y if inherit)

A B (no visible) Y B Y Y B
z-index auto, int   AP,RP Y Y B Y Y

Pseudo-Elements, Pseudo-Classs and Special CSS Declarations
:first-line       Y (Y Mac) Y Y Y
:first-letter       B (Y Mac) Y Y Y
:link       Y Y Y Y Y Y Y
:visited       B Y Y Y Y Y Y
:active       B Y Y Y Y
:hover (CSS Level 2)       Y Y Y Y Y
!important

Y Y (Win only) Y Y Y Y
@import       Y Y Y Y Y Y

Key To "Applies to Elements" and "Browser Support" Columns

NN4, NN6

Netscape Navigator 4 and 6

OP3.6, OP4.02
Opera 3.6 and 4.02

IE4, IE5, IE5.5

Microsoft Internet Explorer 4, 5 and 5.5

NOTE: IE 5.5 available on
Windows 9x/NT/2000 Only

Key for: Applies to Elements Key for: Browser Support Symbols/Keywords
Value Meaning Value Meaning
A Applies to all elements (long dash) Not supported
B Applies to block-level elements Y All values supported
I Applies to inline elements P Partial support -- some values not supported
R Applies to replaced elements B Some bugs in implementation
AP Applies to absolutely positioned elements B! Severe bugs in implementation
RP Applies to relatively positioned elements Mac, Win Macintosh- or Windows -specific (e.g., (Y Mac)

Definition of Keywords Used in Property Value Descriptions

User-defined property values (Italicized) Margin/Padding/Border Shorthand Assignment Rules
Value Description Value Assignment Meaning
urlstring A partial or complete URL property: v1 All sides given value v1
color A color specified as a named color (see Appendix A), or as an RGB code using the syntax #rrggbb, #rgb, rgb(red,green,blue) or rgb(red%,green%,blue%) property: v1 v2 v3 Top given value v1, right given value v2, bottom given value v3, left given value v2
length A length specified in relative (em, ex) or absolute (cm, mm, in, pc, pt, px) length units. Can be a positive or, depending on the property, a negative value. property: v1 v2 v3 v4 Top given value v1, right given value v2, bottom given value v3, left given value v4
num; num% A real number; or a percentage (real) length value. property: v1 v2 Top and bottom given value v1; right and left given value v2
int A positive or negative integer.    

Useful Web References

http://webreview.com/pub/guides/style/style.html http://www.richinstyle.com/bugs/table.html

CSS Tips and browsers bug workarounds: http://www.iangraham.org/books/xhtml2/exerpt/css-4a.html
http://www.css.nu/faq/index.html
http://css.nu/pointers/bugs.html