There are some dialogs that can be used right now in the css definition file. Below you will find a list of them. The dialog name is between parenthesis - as it must be in the definition file itself - the “Url” points to the page of the CSS2 specification that defines the dialog's value, and the “Used by” field lists the properties that use this dialog.
(angle): insert an angle.
Used by: azimuth.
(attr): insert the content of one tag's attribute.
Used by: content.
(background): let you select various values to a background property.
Used by: background.
(border): add value to a border property. Set the value for all borders.
Used by: border.
(border-width): add the width to one border.
Used by: border-top-width, border-right-width, border-bottom-width, and border-left-width.
(border-width-style-color): set the width style and color of one border.
Used by: border-top, border-right, border-bottom, border-left.
(increment-reset): set/reset the increment of a counter property.
Used by: counter-increment, counter-reset.
(counter): set a counter to a content property.
Used by: content.
(string): add a string as value for a property.
Used by: content, quotes, and text-align.
(uri): set a url as value for a property with the url() function.
Used by: background-image, image, content, cue, cue-after, cue-before, cursor, and list-style-image.
(font): fill in the values of one border property.
Used by: border.
(font-family): set the font's family.
Used by: font-family.
(font-size): set the size of a font.
Used by: font-size.
(identifier): set an identifier as value for a property.
Used by: page.
(integer): add an integer number value to a property.
Used by: windows, z-index, font-size-adjust, and orphans.
(length): set a length as value for a property.
Used by: marker-offset, and word-spacing.
(list-style): set the style of the markers in a list. It can be numerical, graphical, or alphabetical.
Used by: list-style.
(margin): set all margin values (top, left, bottom and right).
Used by: margin.
(margin-width): set the width of one margin.
Used by: margin-top, margin-right, margin-bottom, and margin-left.
(number): set a real number as value for a property. It is used by aural properties.
Used by: pitch-range, richness, speech-rate, stress, and volume.
(padding): set all paddings in a box element.
Used by: padding.
(pause): set a pause in an aural property.
Used by: pause.
(percentage): set a percentage as value for a property.
Used by: pause, and volume.
(percentage-length): it is used by properties that can take as value one percentage or a numerical length.
Used by: right, text-indent, top, width, vertical-align, background-position, border, bottom, height, max-height, max-width, min-height, min-width, padding-top, padding-right, padding-bottom, and padding-left.
(play-during): set a sound to be played and the repeat or mixing properties of this sound, in aural style sheets.
Used by: play-during.
(quotes): set what characters will be used as quotes. Commonly used to set the quotes based in the language being used. It works with the content property when it sets its values to open-quote or close-quote.
Used by: quotes.
(shape): set the rectangle of a clip property, with the rect() function.
Used by: clip.
(size-length): it is used by properties that can get as value a size number, or a length identified by a number and the unit used to define the length.
Used by: size.
(text-shadow): set the x and y offset and blur of a shadow in the text.
Used by: text-shadow.
(voice-family): add a voice set, and generic voice family to aural style sheets.
Used by: voice-family.