JSFiddle - React, Tailwind, and code Playground

HTML

<center style="margin-top:20px;">
    
<div class="big">
    <input id="box1" name="radio-group1" type="radio" />
    <label for="box1">This is a box 1</label>
</div >

<br/>

<div class="big">
    <input id="box2" name="radio-group1" type="radio" />
    <label for="box2">This is a box 2</label>
</div >
    
</center>

CSS

.big {
    display:block;
    width:100px;
    height:100px;
    background-color:gainsboro;
    cursor:pointer;
    position: relative;
}

.big:hover {

    border:1px solid blue;
}

label {
    width: 100%;
    height: 100%;
    display: block;
}

input[type="radio"] {
    position: absolute;
    top: 20px;
    left: 50%;
}

input[type="radio"]:checked + label {
    border: red 1px solid;
}