文件名称：Web.Standards.Mastering.HTML5.CSS3.and.XML
文件大小：7.91MB
文件格式：PDF
更新时间：2015-08-01 07:52:58
HTML5 CSS3
Technical standards are widely used in various fields of life—think of the standards of paper size and the standard envelopes that fit them. Web standards, similar to other standards, are normative specifications of technologies and methodologies. In other words, they are well-defined sets of requirements to be satisfied. They are not only ideal from the technical point of view but also represent user needs.