w3c css2 handbook cascading style sheet, level 2 from the o′reilly anthology外语英文电子书

《w3c css2 handbook cascading style sheet, level 2 from the o′reilly anthology外语英文电子书》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、REC-CSS2-19980512CascadingStyleSheets,level2CSS2SpecificationW3CRecommendation12-May-1998Thisversion:http://www.w3.org/TR/1998/REC-CSS2-19980512Latestversion:http://www.w3.org/TR/REC-CSS2Previousversion:http://www.w3.org/TR/1998/PR-CSS2-19980324Editors:BertBo

2、sHåkonWiumLieChrisLilleyIanJacobsAbstractThisspecificationdefinesCascadingStyleSheets,level2(CSS2).CSS2isastylesheetlanguagethatallowsauthorsanduserstoattachstyle(e.g.,fonts,spacing,andauralcues)tostructur

3、eddocuments(e.g.,HTMLdocumentsandXMLapplications).Byseparatingthepresentationstyleofdocumentsfromthecontentofdocuments,CSS2simplifiesWebauthoringandsitemaintenance.CSS2buildsonCSS1(see[CSS1])and,withveryfewexceptions,allvalidCSS1stylesheetsarevalidCSS2stylesh

4、eets.CSS2supportsmedia-specificstylesheetssothatauthorsmaytailorthepresentationoftheirdocumentstovisualbrowsers,auraldevices,printers,brailledevices,handhelddevices,etc.Thisspecificationalsosupportscontentpositioning,downloadablefonts,tablelayout,featuresfori

5、nternationalization,automaticcountersandnumbering,andsomepropertiesrelatedtouserinterface.StatusofthisdocumentThisdocumenthasbeenreviewedbyW3CMembersandotherinterestedpartiesandhasbeenendorsedbytheDirectorasaW3CRecommendation.Itisastabledocumentandmaybeusedas

6、referencematerialorcitedasanormativerefer-encefromanotherdocument.W3C’sroleinmakingtheRecommendationistodrawattentiontothespecificationandtopromoteitswidespreaddeployment.ThisenhancesthefunctionalityandinteroperabilityoftheWeb.1AlistofcurrentW3CRecommendation

7、sandothertechnicaldocumentscanbefoundathttp://www.w3.org/TR.PublicdiscussionofCSSfeaturestakesplaceonwww-style@w3.org.AvailableformatsTheCSS2specificationisavailableinthefollowingformats:HTML:http://www.w3.org/TR/1998/REC-CSS2-19980512aplaintextfile:http://ww

8、w.w3.org/TR/1998/REC-CSS2-19980512/css2.txt,HTMLasagzip’edtarfile:http://www.w3.org/TR/1998/REC-CSS2-19980512/css2.tgz,HTMLasazipfile(thisisa’.zip’filenotan’.exe’):http://www.w3.org/TR/19