.ico_tw{
	width:40px;
	height:40px;
	background:url(../../images/ico_tw.png) no-repeat;
	background-size:20px 20px;
	background-position:center center;
}
.ico_fb{
	width:40px;
	height:40px;
	background:url(../../images/ico_fb.png) no-repeat;
	background-size:20px 20px;
	background-position:center center;
}
.ico_in{
	width:40px;
	height:40px;
	background:url(../../images/ico_in.png) no-repeat;
	background-size:20px 20px;
	background-position:center center;
}
.ico_yt{
	width:40px;
	height:40px;
	background:url(../../images/ico_yt.png) no-repeat;
	background-size:20px 20px;
	background-position:center;
}
.ico_pi{
	width:40px;
	height:40px;
	background:url(../../images/ico_pi.png) no-repeat;
	background-size:20px 20px;
	background-position:center center;
}
.ico_da{
	width:40px;
	height:40px;
	background-size:20px 20px;
	background-position:center center;
}