jumping-menu.css

body{
	margin: 0;
	padding: 0;
	font-family: arial;
}

ul{
	margin: 300px 200px;
	padding: 0;
	display: flex;
}

ul li{
	list-style: none;
	padding: 10px 40px;
}

ul li a{
	text-decoration: none;
	text-transform: uppercase;
	font-size: 1.5em;
	color: #292929;
	position: relative;
	transition: .5s;
}

ul li a:before{
	content: "";
	position: absolute;
	width: 100%;
	height: 26px;
	background: #800080;
	transform-style: preserve-3d;
	transform: scale(0) rotate(0deg) skew(10deg);
	transition: 1.5s cubic-bezier(.43, 1.91, .35, .74);
	z-index: -1;
}

ul li:hover a:before{
	transform: scale(1.2) rotateY(360deg) skew(10deg);
}

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

ul li a:after{
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	width: 50px;
	height: 50px;
	background: #FF00FF;
	transform-style: preserve-3d;
	transform: translate(-50%, -50%) scale(0);
	transition: 1.5s cubic-bezier(.43, 1.91, .35, .74);
	z-index: -2;
	border-radius: 50%;
}	


ul li:hover a:after{
	transform: translate(-50%, -50%) scale(1.2);
}