•  Basic Supports

  • Linking to external CSS files is permitted. Importing is not.
  • Class selectors are supported.
  • ID selectors are supported.
  • HTML selectors are supported.
  • Contextual selectors are supported.
  • Grouping is supported in all its forms.
  • Comments are supported.
  • The anchor pseudo-classes 'link' and 'visited' are supported. 'Active' is not.
  • Typographical pseudo-elements are not supported.
  • The full cascading order sort algorithm is supported.
  • The special attribute important is supported.

•  WebTV Plus Supported Properites

  • font-family
  • font-style
  • font-weight
  • font-size
  • color
  • background
  • background-color
  • background-image
  • text-decoration
  • text-align
  • vertical-align
  • margin-left
  • position
  • left
  • top
  • width
  • height
  • z-index
  • visibility

•  Integer

  • An integer consists of one or more digits ("0" through "9"). It may be preceded by a "-" or "+".

•  Number

  • A number is similar to an integer but can contain decimal points. It to can be preceded by a "-" or "+".

•  Length

  • Relative Length Values
    

    em	EM-dash, width of the letter M for that font (Not supported by WebTV)
    ex	x-height, height of the lowercase x for that font (Not supported by WebTV)
    px	Pixel, based on the monitor's resolution

  • Absolute Length Values

    pt	Point, 1pt = 1/72 of an inch
    pc	Picas, 12pts or 1/6 of an inch
    mm	Millimeters
    cm	Centimeter
    in	Inches, 1 inch = 2.54cm

•  Percentage

  • Percentage values are relative to a parent element. They can consist of a "-" or "+" followed by a number, immediately followed by a "%".

•  Color Units

  • Examples using Blue

    #rgb	{color: #00f;}
    #rrggbb	{color: #0000ff;}
    rgb (integer range)	{color: rgb(0,0,f);}
    rgb (percentage)	{color: rgb(0%,0%,255%);}
    Color name	{color: blue;}

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This site isn't really to teach CSS for the WebTV Plus but just more or less a reference of what CSS codes the WebTV Plus will support. If you know basic HTML then CSS is a breeze to learn. Some of these pages may look a bit technical but the basic syntax for a CSS code is selector {property: value;} and nothing more.

I simply bought Jason Cranford Teague's book "DHTML For The World Wide Web" and was using CSS that very night. He gives a step-by-step explanation with pictures to show how each code works on a webpage.

Come to find out Barnes & Noble carries it online for less than the price I paid at the local mall for it. Use the link below to get a copy for yourself. I highly recommend it

barnesandnoble.com Home Page