JSFiddle - React, Tailwind, and code Playground

HTML

<div style="overflow:auto;width:250px;height:75px;border:1px solid #336699;padding-left:5px">
    <label style="{width:250px;}"><input type="checkbox" name="wow[]" onclick='highlight_div(this);'> PHP</label>
    <label style="{width:250px;}"><input type="checkbox" name="wow[]" onclick='highlight_div(this);'> LINUX</label></div>

CSS

label {
    display: block;
}

JavaScript

function highlight_div(checkbox_node) {
    label_node = checkbox_node.parentNode;
    if (checkbox_node.checked) {
        label_node.style.backgroundColor = '#0a246a';
        label_node.style.color = '#fff';
    } else {
        label_node.style.backgroundColor = '#fff';
        label_node.style.color = '#000';
    }
}