.btm5 { margin-bottom: 5px;}
.btm10 { margin-bottom: 10px;}
.btm15 { margin-bottom: 15px;}
.btm20 { margin-bottom: 20px;}
.btm30 { margin-bottom: 30px;}
.btm40 { margin-bottom: 40px;}
.btm50 { margin-bottom: 50px;}
.btm60 { margin-bottom: 60px;}
.btm70 { margin-bottom: 70px;}
.btm80 { margin-bottom: 80px;}
.btm90 { margin-bottom: 90px;}
.btm100 { margin-bottom: 100px;}
.top5 { margin-top: 5px;}
.top10 { margin-top: 10px;}
.top15 { margin-top: 15px;}
.top20 { margin-top: 20px;}
.top30 { margin-top: 30px;}
.top40 { margin-top: 40px;}
.top50 { margin-top: 50px;}
.top60 { margin-top: 60px;}
.top70 { margin-top: 70px;}
.top80 { margin-top: 80px;}
.top90 { margin-top: 90px;}
.top100 { margin-top: 100px;}
a { text-decoration: none; color: #11a7ac;}
a:hover { text-decoration: none; color: #15cad0;}
.txt_l { text-align: left;}
.txt_c { text-align: center;}
.txt_r { text-align: right;}
.notes {
    padding-left: 1em;
    text-indent: -1em;
}
.font12 {
	font-size: 12px;
	line-height: 1.8em;
}
.float_l { float: left;}
.float_r { float: right;}
.clear { clear: both;}
/* clearfix */
.clearfix:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
}
 /* IE6 */
* html .clearfix { zoom: 1;}
 /* IE7 */
*:first-child+html .clearfix {zoom: 1;}