.btn a:hover {
    /* IE */
    filter: alpha(opacity=25);
    /* Safari Opera */
    opacity:0.85;
    /* Firefox Netscape */
    -moz-opacity:0.85;
}

.content_base {
	width:600px;
	clear: both;
	float: none;
	margin-top: 30px;
	margin-right: 0px;
	margin-bottom: 30px;
	margin-left: 0px;
}
.wd_300 {
	width: 300px;
}
.wd_270 {
	width: 270px;
}


.fl_l {
	float: left;
}

.fl_r {
	float: right;
}


.cl_b {
	clear: both;
	overflow: auto;
	float: none;
}

.pd_30_0 {
	padding: 30px 0;
}
.mp_0 {
	margin: 0px;
	padding: 0px;
	height: 0px;
	width: 0px;
}

.mg_30_0 {
	margin: 30px 0;
}
.mg_t15 {
	margin-top: 15px;
}
.mg_t30 {
	margin-top: 30px;
}
.mg_b15 {
	margin-bottom: 15px;
}
.mg_b30 {
	margin-bottom: 30px;
}

.mg_b60 {
	margin-bottom: 60px;
}
.fo_lineheight_17em {
	line-height: 1.7em;
	color: #333;
}
.fo_size_10px {
	font-size: 10px;
}
.fo_lineheight_12em {
	line-height: 1.2em;
}
.fo_lineheight_15em {
	line-height: 1.5em;
}
.bd_bottom_13 {
	border-bottom-width: 1px;
	border-bottom-style: solid;
	border-bottom-color: #CCC;
	width: 600px;
	padding-bottom: 13px;
}