ellen.css

body{
	padding: 0;
	margin: 0;
	background-color: #898e6b;
	font-family: verdana;
	display: flex;
	justify-content: center;
	align-items: center;
	height: 100vh;
}

a{
	text-decoration: none;
	color: #000;
	text-transform: uppercase;
	padding: 20px 20px 20px 30px;
	position: relative;
	letter-spacing: 8px;
	font-size: 40px;
	transition: 1s;
	transition-delay: 1.2s;
}

a:hover{
	color: #fff;
}

a:before{
	content: "";
	position: absolute;
	bottom: 0;
	right: 0;
	background-color: #fff;
	width: 100%;
	height: 2px;
	transition-property: height, width;
	transition-delay: 0.5s, 1s;
	transition-duration: 0.5s;
}

a:hover:before{
	transition-property: width, height;
	width: 2px;
	height: 100%;
}

a span{
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 0;
	background-color: #000;
	z-index: -1;
	transition: .5s;
	transform: scaleY(0);
	transition-delay: 1s;
}

a:hover span{
	transform: scaleY(1);
	transition-delay: 1.5s;
	height: 88px;
}

a:after{
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	background-color: #fff;
	width: 100%;
	height: 2px;
	transition-property: height, width;
	transition-delay: 0.5s, 1s;
	transition-duration: 0.5s;
}

a:hover:after{
	transition-property: width, height;
	width: 2px;
	height: 100%;
}