body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
    background-image: url(img/bg.gif);
}
table#main_table{
	border: 1px solid black; /* width style color  */
}

td.underline{
	border-bottom: 1px solid black; /* width style color  */
}
.font-large{
	font-size:18px;
	font-weight:bold;
}
.font-middle{
	font-size:14px;
}
.font-small{
	font-size:12px;
}