<style>
input[type="radio"] {
appearance: none;
width: 20px;
height: 20px;
border: 2px solid #555;
border-radius: 50%;
position: relative;
cursor: pointer;
}
input[type="radio"]:checked {
background-color: #2196F3;
}
input[type="radio"]:checked::after {
content: "";
position: absolute;
top: 5px;
left: 5px;
width: 8px;
height: 8px;
border-radius: 50%;
background: white;
}
</style>
</head>
<body>
<a href="#" onClick="window.history.go(-1);">Home</a><br>
<label>
<input type="radio" name="choice" />
Radio personalizzato
</label>