13. W3C Web Standards World Wide Web Consortium Standards Maintains the standards and rules for use of CSS, HTML, XHTML, CGI etc. Provides an online validation service .
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17. CSS Structure How CSS code is made up CSS is made up of elements which contain attributes and properties . box { height : 25em ; position : relative ; line-height : 1px ; font-style : Arial ; font-size : 12px ; }
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19. HTML Structure How HTML code is made up HTML is made up of tags (opening and closing) which contain attributes. <html> <body> <p> <a href= "http://www.microsoft.com/" > This text </a> is a link to a page on the World Wide Web. </p> </body> </html>
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21. Javascript Structure How Javascript code is made up HTML is made up of tags (opening and closing) which contain attributes. <html> <body> <p> <a href= "http://www.microsoft.com/" > This text </a> is a link to a page on the World Wide Web. </p> </body> </html>
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23. PHP Structure How PHP code is made up HTML is made up of tags (opening and closing) which contain attributes. <html> <body> <p> <a href= "http://www.microsoft.com/" > This text </a> is a link to a page on the World Wide Web. </p> </body> </html>
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