JSFiddle - React, Tailwind, and code Playground

HTML

<!-- Rounded TWO -->
<!-- <div class="roundedTwo"> -->
<input type="checkbox" value="None" id="roundedTwo" name="check" />
<!-- <label for="roundedTwo"></label> -->
<!-- </div> -->

CSS

/* ROUNDED TWO */
input[type="checkbox"] {
    visibility: hidden;
}

.roundedTwo { /*Checkbox background*/
	width: 28px;
	height: 28px;
	background: #fcfff4;

	background: -webkit-linear-gradient(top, #fcfff4 0%, #dfe5d7 40%, #b3bead 100%);
	background: -moz-linear-gradient(top, #fcfff4 0%, #dfe5d7 40%, #b3bead 100%);
	background: -o-linear-gradient(top, #fcfff4 0%, #dfe5d7 40%, #b3bead 100%);
	background: -ms-linear-gradient(top, #fcfff4 0%, #dfe5d7 40%, #b3bead 100%);
	background: linear-gradient(top, #fcfff4 0%, #dfe5d7 40%, #b3bead 100%);
	margin: 20px auto;

	-webkit-border-radius: 50px;
	-moz-border-radius: 50px;
	border-radius: 50px;

	-webkit-box-shadow: inset 0px 1px 1px white, 0px 1px 3px rgba(0,0,0,0.5);
	-moz-box-shadow: inset 0px 1px 1px white, 0px 1px 3px rgba(0,0,0,0.5);
	box-shadow: inset 0px 1px 1px white, 0px 1px 3px rgba(0,0,0,0.5);
	position: relative;
}

.roundedTwo label { /*Black circle*/
	cursor: pointer;
	position: absolute;
	width: 20px;
	height: 20px;

	-webkit-border-radius: 50px;
	-moz-border-radius: 50px;
	border-radius: 50px;
	left: 4px;
	top: 4px;

	-webkit-box-shadow: inset 0px 1px 1px rgba(0,0,0,0.5), 0px 1px 0px rgba(255,255,255,1);
	-moz-box-shadow: inset 0px 1px 1px rgba(0,0,0,0.5), 0px 1px 0px rgba(255,255,255,1);
	box-shadow: inset 0px 1px 1px rgba(0,0,0,0.5), 0px 1px 0px rgba(255,255,255,1);

	background: -webkit-linear-gradient(top, #222 0%, #45484d 100%);
	background: -moz-linear-gradient(top, #222 0%, #45484d 100%);
	background: -o-linear-gradient(top, #222 0%, #45484d 100%);
	background: -ms-linear-gradient(top, #222 0%, #45484d 100%);
	background: linear-gradient(top, #222 0%, #45484d 100%);
}

.roundedTwo label:after {
	opacity: 0;
	content: '';
	position: absolute;
	width: 9px;
	height: 5px;
	background: transparent;
	top: 5px;
	left: 4px;
	border: 3px solid #fcfff4;
	border-top: none;
	border-right: none;

	-webkit-transform: rotate(-45deg);
	-moz-transform: rotate(-45deg);
	-o-transform:...

JavaScript

var c = document.getElementsByTagName('input');
var wrapper = document.createElement('div');
var label = document.createElement('label');

wrapper.className = "roundedTwo";
label.id = "roundedTwo";
debugger;
for (var i = 0; i < c.length; i++) {
    if (c[i].type === 'checkbox') {
        wrapper.appendChild(c[i]);
        wrapper.appendChild(label);
        document.body.appendChild(wrapper);
    }
}
console.log(wrapper);