Edit in JSFiddle

<div class="div">
    <div>Left</div>
    <div>Right</div>
</div>

<br />
<ul>
    <li>Left</li>
    <li>Right</li>
</ul>

ul{ margin: 0; padding: 0; list-style-type: none; }
.div, ul{ 
    padding: 10px; background: aqua; letter-spacing: -4px; 
}
.div > div, ul li{ 
    display: inline-block; width: 200px; border: 1px solid red; letter-spacing: 0px; 
}