Gradiente-Radiale

Codice
<style>
.radial-gradient {
width: 300px;
height: 150px;
border: 1px solid #000;
background-image: radial-gradient(circle, #ffffff, #000000);
}
</style>
</head>
<body>
<a href="#" onClick="window.history.go(-1);">Home</a>
<div class="radial-gradient"></div>