CSS Beginnings :
CSS Beginnings W3C recommend use of CSS in 1996
Level 1.0 -replaced the traditional font tag and other "style" markup such as color and margins
Work continued
1998 CSS level 2.0 – replaced positioning including table tag for positioning
Level 2.1 in use now
Work Level 3.0 continuing
What is the W3C :
What is the W3C The World Wide Web Consortium (W3C) develops interoperable technologies (specifications, guidelines, software, and tools) to lead the Web to its full potential.
W3C
A-Z links
CSS
CSS Validator,
HTML,
HTML Validator
Accessibility
Why now? :
Why now?
Initially :
Initially No Browser support
Few with skills
No software support
Today :
Today Internet Explorer 6 and 7, Netscape Navigator 7, Mozilla, Opera, and Safari all fully support CSS.
Varying degrees of compliance
Stick to core attributes
Test, test and test again
Advantages :
Advantages
Flexibility :
Flexibility Easy to make site wide changes
Change font colours
Change layout
Rendering :
Rendering The traditional table-based layout is one of the primary causes of slow-loading pages.
Less code equals faster loading pages.
Accessibility :
Accessibility using CSS can make it easier for you to build accessible sites
Good for assistive technology
Other media – print, mobile phones