natural-menu.css

body{
	margin: 0;
	padding: 0;
	font-family: sans-serif;
	background: url(natural-menu.jpg);
	background-size: cover;
}

ul{
	position: absolute;
	top: 30%;
	left: 50%;
	transform: translate(-50%, -50%);
	display: flex;
}

ul li{
	list-style: none;
}

ul li a{
	position: relative;
	text-decoration:none;
	text-transform: uppercase;
	color: #262626;
	padding: 10px 15px;
	font-weight: bold;
	font-size: 18px;
	transition: .5s;
	border-radius: 50% 0 50% 0;
}

ul li a:hover{
	background: #196719;
	color: #fff;
}

ul li a:before{
	content: "";
	position: absolute;
	top: -17%;
	left: 90%;
	width: 30px;
	height: 3px;
	background-color: #196719;
	transform: translateY(-10px);
	transition: transform .5s;
	border-radius: 50%;
	opacity: 0;
}

ul li a:hover:before{
	transform: translateY(0px);
	transform: rotate(-30deg);
	opacity: 1;
}