*{
	margin: 0;
	padding: 0;
}
body{
	font-family:"Tahoma,Arial,Roboto","Droid Sans","Helvetica Neue","Droid Sans Fallback","Heiti SC",sans-self;
	/*font-size:62.5%; */
	font-size: calc( 12px + (16 - 12) * ( (100vw - 400px) / ( 1500 - 400) ));
	line-height:1.5;
}
ul,ol,li{
	list-style: none;
}
a{
	text-decoration: none;
	color: #585858;
}
.c-b{
	clear: both;
}
.f-l{
	float: left;
}
.f-r{
	float: right;
}