JSFiddle - React, Tailwind, and code Playground

HTML

<form>
        <label class="radio" for="#">One</label>
        <input type="radio">
        <label class="radio" for="#">Two</label>
        <input type="radio">
    </form>

CSS

input[type="radio"] {
	-webkit-appearance: none; /* Remove default appearance styling for Webkit */
	-moz-appearance: none; /* Remove default appearance styling for Firefox */
    background: #ccc;
	width: 45px;
	height: 45px;
	vertical-align: middle;
	margin: 0 10px;
	cursor: pointer;
}

input[type="radio"]:hover { background: #e4e4e4; }

input[type="radio"]:checked {
	background: #000;
	position: relative;
	width: 45px;
	height: 45px;
}

input[type="radio"]:checked:after {
	content: '';
	position: absolute;
	width: 20px;
	height: 8px;
	background: transparent;
	top: 15px;
	left: 10px;
	border: 1px solid #fff;
	border-top: none;
	border-right: none;
	-webkit-transform: rotate(-45deg);
	-moz-transform: rotate(-45deg);
	-o-transform: rotate(-45deg);
	-ms-transform: rotate(-45deg);
	transform: rotate(-45deg);
}