#ndb{
	display: flex;
	flex-direction: row;
	padding: 100px;
	color: #000000;
}
#ndb > div:nth-child(n+2){
	margin-left: 16px;
}
#n, #d, #b{
	display: block;
	position: relative;
	width: 60px;
	height: 90px;
}
#n1, #n2, #n3, #d1, #b1{
	display: block;
	background: #000000;
	width: 12px;
	height: 90px;
	border-radius: 12px;
}
#n1, #d1, #b1, #n2, #n3{
	position: absolute;
}
#n1, #d1, #b1{
	top: 0px;
	left: 0px;
}
#n2{
	top: -7px;
	height: 103.7px;
	left: calc(50% - 6px);
	transform: rotate(-31.5deg);
}
#n3{
	top: 0px;
	right: 0px;
}
#b2, #b3, #d2{
	width: 60px;
	border: solid 12px;
	border-radius: 6px 50% 50% 6px;
}
#d2{
	height: 90px;
}
#b2, #b3{
	height: 51px;
}
#b3{
	margin-top: -12px;
}