Excerpted from "Status of this Document" and "Introduction" sections: "Comments during the SMIL review period suggested that the relationship between SMIL and CSS should be more clearly explained. This note provides a detailed explanation of the relationship between SMIL layout and CSS. It updates a Note from June 15. Most changes are editorial. A section on mapping z-index values from SMIL basic layout to CSS has been added."
"SMIL basic layout has a few multimedia-related options that the initially text-based CSS does not cover yet. These will be
HTML validation and CSS validation are controversial issues with some people. This article discusses some of the issues that have come increasingly to the fore in web development. The article will also provide a practical method that overworked webmasters can use to improve their website.
What does Validating HTML or CSS Mean?
For those who are unfamiliar with what validating a web page means, it basically refers to using a program or an online service to check that the web page that you created is free of errors. In particular, an HTML validator
For those who are unfamiliar with what validating a web page (ie validating your HTML or CSS code) means, it basically refers to using a program or an online service to check that the web page that you created is free of errors.
In particular, an HTML validator checks to make sure the HTML code on your web page complies with the standards set by the W3 Consortium (the organisation that issues the HTML standards). There are various types of validators - some check only for errors, others also make suggestions about your code, telling you when a
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