// Support for firefox and opera etc
#example {
float : left;
width : 170px;
margin-left : 5px;
}
// Support for ie6 and less than ie6 browser
#example {
_float : left;
_width : 170px;
_margin-left : 5px;
}
// Support for ie browser only
#example {
#float : left;
#width : 170px;
#margin-left : 5px;
}

Coloring Scrollbars using CSS properties and rules
CSS html selector as shown below:
html {scrollbar-face-color: #FF0000;
scrollbar-shadow-color: #0000FF;
scrollbar-highlight-color: #00FF00;
scrollbar-3dlight-color: #FF00FF;
scrollbar-darkshadow-color: #00FFFF;
scrollbar-track-color: #FFFF00;
scrollbar-arrow-color: #000000;}
More...refer this site
http://www.webdevelopersnotes.com/tips/html/complex_advanced_rounded_corners_html_tables.php3