.tab-group{
	display: flex;
	justify-content: center;
	width: 740px;
	margin: 0 auto;
	padding: 0;
}
.tab{
	flex-grow: 1;
	padding:1em;
	list-style:none;
	border:solid 1px #CCC;
	text-align:center;
	cursor:pointer;
	font-size: 18px;
	font-weight: bold;
	background: #ddd;
	box-sizing: border-box;
	width: 50%;
}
.panel-group{
	border-top:none;
	width: 740px;
	box-sizing: border-box;
	padding: 20px;
	border: #ccc 1px solid;
	margin: 0 auto;
}
.panel{
	display:none;
}
.tab.is-active{
	background:#004dbe;
	color:#FFF;
	transition: all 0.2s ease-out;
}
.panel.is-show{
	display:block;
}