Some fonts/styles that could be used in headings - ie. <h1> tags.

font:17px "Trebuchet MS",Verdana,Arial,Helvetica,sans-serif;
font:20px Georgia,Times,serif;

[tags]font,style,heading,css[/tags]

font:10pt ‘Trebuchet MS’,Arial,sans-serif;
font:76%/140% Verdana,Geneva,Arial,Helvetica,sans-serif;
font:76%/1.5 “Lucida Grande”,Geneva,Verdana,Arial,Helvetica,sans-serif;
font:12px/1.5 “Lucida Grande”,”Lucida Sans Unicode”, sans-serif;