JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
<script src="http://code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
<div style="height:100%;float:left;background-color: red;" class="evenRow">
 <input type="checkbox" name="genre" id="check-1" value="" width="20" height="20" style="width:20px; height:20px; float:left;">
 </div>

CSS

.evenRow{
            margin-top: 5px;
            background-color: #9FFF9D;
        }