JSFiddle - React, Tailwind, and code Playground
by lmoroz
HTML
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<form action="">
<input id="one" name="check" type="radio" value="1" checked>
<label for="one">
<i class="fa fa-check opacity" aria-hidden="true"> </i>
Первый
</label> <br>
<input id="two" name="check" type="radio" type="radio" value="2">
<label for="two">
<i class="fa fa-check opacity" aria-hidden="true"></i>
Второй
</label>
</form>
CSS
label i.fa {visibility: hidden}
input[type=radio] {display: none;}
input[type=radio]:checked + label>i.fa {
visibility: visible;
}