.div_550 {
	margin-left:auto;margin-right:auto;width:550px; position: relative;
}
.btm_class {
	width: 550px; margin: 0 auto 20px; clear: both; height:26px; margin-bottom: 3px; background: url(http://img.nst21.com/aqua/bamboo/bamboo-bottom.gif) no-repeat 0 100%;
}
.top_class {
	width: 100%; margin: 0; padding: 0; line-height: 20px; padding-top: 5px; padding-bottom: 0.2em; background: url(http://img.nst21.com/aqua/bamboo/bamboo-top.gif) no-repeat 0 0; float: left; margin-bottom: 3px;
}
.a_class {
	margin-left: 1em; margin-right: 1em; font-weight: bold; text-align: center; display: inline; float: left; font-size: 16px; color: #F60;
}
.text_class {
	font-size: 13px; line-height: 150%; background-image: url(http://img.nst21.com/aqua/bamboo/bamboo-bgimage.gif); padding-left: 10px; padding-right: 10px; padding-bottom: 2px; padding-top: 3px; color: #666;
}
.ctm_td {
	font-size: 13px; line-height: 150%; background-image: url(http://img.nst21.com/aqua/bamboo/bamboo-bgimage.gif); background-position: 100% 100%; padding-left: 10px; padding-right: 10px; padding-bottom: 2px; padding-top: 3px; color: #333;
}
.ctm_table {
	line-height: 150%; background-image: url(http://img.nst21.com/aqua/bamboo/bamboo-bgimage.gif); background-position: 0 0;
}