8.4. Universal
Selector
The
universal selector is the * character. It selects all tags in an
XHTML MP document. The following XHTML MP/WCSS example demonstrates
the usage of the universal selector in cascading style sheets.
(universalSelectorEg1.xhtml)
<?xml
version="1.0"?> <!DOCTYPE html PUBLIC
"-//WAPFORUM//DTD XHTML Mobile 1.0//EN"
"http://www.wapforum.org/DTD/xhtml-mobile10.dtd">
<html
xmlns="http://www.w3.org/1999/xhtml"> <head> <style
type="text/css"> * { color:
blue } </style> <title>WCSS
Tutorial</title> </head>
<body> <h1>Table
of Contents</h1> <hr/> <p> WCSS
Tutorial Chapter 1<br/> WCSS Tutorial Chapter
2<br/> WCSS Tutorial Chapter
3<br/> </p> </body> </html>
In
the above example, the WAP CSS style rule "color: blue" is
applied to all tags. So, all text (except the title. Note: WAP CSS
styles cannot be applied to the <title> tag) and the horizontal
rule will be rendered in blue color. The screenshots of the example
in mobile phone emulators is shown below.

 Sony
Ericsson T610
|

 Nokia
Mobile Browser 4.0
|
Using
universal selectors in cascading style sheets can slow down the
rendering of a WAP page on some WAP browsers (e.g. Openwave Mobile
Browser 6.x). You should check your WAP page on real mobile devices
to ensure the performance loss is not significant.
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