JSFiddle - React, Tailwind, and code Playground

HTML

<div id="overview">
        <ul><li id="1234">
                        This one should have a WHITE bg    
                    </li>
            <li id="me">
                        This one should have a RED bg    
                    </li>
            <li id="567">
                        This one should have a WHITE bg    
                    </li>
    </ul>
    </div>

CSS

#overview {
    padding-top: 30px;
    background-color: #2daebf;
    height: 468px;
    width: 182px;
}
#overview li {
    list-style: none;
    float: left;
    width: 160px;
    padding: 3px;
    background-color: #FFF;
    border-radius: 3px;
    margin: 0 7px 3px 7px;
}

#overview #me {
    background-color: #FF0000;
}