newbie: table caption

Hello,
Why the rule:

caption
{
font-style: bolder;
}

on document containing:

<table border="1">
<caption>...</caption>
<tbody>
....

doesn't work?
Thanks for help.
/RAM/

wrote on 31 jul 2008 in comp.infosystems.www.authoring.stylesheets:

Hello,
Why the rule:

caption
{
font-style: bolder;

font-style should be font-weight

}

on document containing:

table border="1"
caption>...</caption
tbody
...

doesn't work?
Thanks for help.
/RAM/

--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)