.btn{
	display: inline-block;
	padding: 6px 16px 5px;
	font-size: 14px;
	background: #fff;
	border-radius: 4px;
	color: #444;
	font-weight: 500;
	border: solid 1px #ccc;
	cursor: pointer;
	transition: all 100ms;
}
.btn + .btn,
.btn + .btn_group,
.btn_group + .btn,
.btn_group + .btn_group{
	margin-left: 10px;
}
.btn.active{
	background: #6600FF;
	color: #fff;
	border-color: transparent;
	position: relative;
	z-index: 1;
}
.btn_group{
	display: inline-flex;
}
.btn_group .btn{
	margin: 0;
}
.btn_group .btn:not(:last-child){
	border-top-right-radius: 0;
	border-bottom-right-radius: 0;
}
.btn_group .btn:not(:first-child){
	border-top-left-radius: 0;
	border-bottom-left-radius: 0;
	margin-left: -1px;
}