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46 terms
Terms | Definitions |
|---|---|
 absolute unit | A unit of measurement that is fixed in size regardless of the device rendering the Web page. |
| child element | An element contained within a parent element |
| color value | A numeric expression that describes the properties of a color. |
| contextual selector | A select that matches elements based on their positions in the document hierarchy. |
| CSS @rule | A rule that specifies a command or directive that controls how browsers interpret and run the contents of a CSS style sheet. |
| CSS1 | The first version of CSS, introduced in 1996. |
| CSS2 | The second version of CSS, introduced in 1998. |
| CSS2.1 | A version of CSS introduced in 2002 to clean up minor errors in the original introduction of CSS2. |
| CSS3 | The current working draft version of CSS. |
| density | The number of dots per inch in an output device. |
| descendant element | An element that descends from a parent element. |
| em unit | A unit of measurement that expresses the font size relative to the font size of the parent element. |
| embedded style sheet | A style sheet placed within the head section of an HTML file. |
| external style sheet | A style sheet placed in an external file. |
| font | A text typeface. |
| generic font | A font name that describes the general appearance of a font. |
| hanging indent | A negative text indentation in which the first line extends to the left of the text block. |
| hexadecimal | A number expressed in the base 16 numbering system. |
| HSL mode | l A color model in which colors are selected from a color wheel at varying levels of saturation and lightness. |
| hue | The tint of a color based on the color's location on the color wheel. |
| id attribute | id attribute A Web form control attribute that identifies the control box. |
| initial cap | An effect in which the first letter of the first line of a text block appears larger than the surrounding text. |
| inline style | A style created using the style attribute within an HTML file. |
| kerning | The space between letters. |
| leading | The height of a text line. |
| lightness | The brightness of a color ranging from 0% (black) up to 100% (white). |
| parent element | An element that contains one or more other elements. |
| progressive enhancement | A coding technique in which code conforming to older standards is placed before newer code. |
| pseudo-class | A classification of an element based on its current status, position, or use in the document. |
| pseudo-element | An element that does not exist in the document hierarchy, but rather is based on objects that exist in the rendered Web page. |
| relative unit | A unit of measurement that is expressed relative to the sizes of other objects within the Web page. |
| resolution | The size of the output device, typically expressed in pixels. |
| RGB model | A color model in which colors are defined by varying intensities of red, blue, and green. |
| RGB triplet | A set of numbers representing intensities of red, green, and blue. |
| saturation | The intensity of a color ranging from 0% (no color) up to 100% (full color). |
| scalable | A page that can be rendered the same way no matter what size is used by the browser. |
| selector | The part of the style rule that defines what element or elements are affected by the rule. |
| sibling element | Two elements that share a common parent element. |
| specific font | A font name that references a font installed on the user's computer. |
| style inheritance | A process in which style properties are passed from a parent element to its children. |
| style rule | A list of style properties applied to an element or to a group of elements. |
| tracking | The space between words. |
| Web font | A font that is downloadable by the browser to be used in rendering the Web page. |
| Web Font Service Bureau | A service that supplies Web fonts that page designers can link to for a fee. |
| Web safe font | A font that is displayed in mostly the same way in all browsers and on all devices. |
| wildcard selector | The asterisk selector (*) which selects all elements in a document. |
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