Change the Style of Banner and Quick Launch

Here is the solution to change the style of NavFrame, NavWatermark, Bannerframe.
You have to enclose the following lines in
tag.

.ms-navframe
{ filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#0274CC', endColorstr='#FFFFFF', gradientType='0')}

.ms-navwatermark
{ display: none; }

.ms-bannerframe
{filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#0274CC', endColorstr='#FFFFFF', gradientType='1')}

#onetidPortalConn
{ display: none; }