JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://code.jquery.com/mobile/1.1.0/jquery.mobile-1.1.0.min.css">
<script src="http://code.jquery.com/mobile/1.1.0/jquery.mobile-1.1.0.min.js"></script>
<div data-role="page" class="type-home">
    <div data-role="content">
        
        <div id="inline-select-container">
            
            <div id="inline-select-left">    
                <select name="select-choice-0" id="select-choice-1" data-inline="true">
                   <option >Shipping method</option>
                   <option value="standard">Standard: 7 day</option>
                   <option value="rush">Rush: 3 days</option>
                   <option value="express">Express: next day</option>
                   <option value="overnight">Overnight</option>
                </select>
            </div>
    
            <div id="inline-select-right">
                <select name="select-choice-2" id="select-choice-2" data-inline="true">
                   <option >Shipping method</option>
                   <option value="standard">Standard: 7 day</option>
                   <option value="rush">Rush: 3 days</option>
                   <option value="express">Express: next day</option>
                   <option value="overnight">Overnight</option>
                </select>
            </div>       
        
        </div>  

        <br />
        <br />

        <div id="inline-select-container">
            
            <div id="inline-select-left">    
                <label for="select-choice-0" class="select">Shipping method:</label>
                <select name="select-choice-0" id="select-choice-1" data-inline="true">
                   <option value="standard">Standard: 7 day</option>
                   <option value="rush">Rush: 3 days</option>
                   <option value="express">Express: next day</option>
                   <option value="overnight">Overnight</option>
                </select>
            </div>
    
            <div...

CSS

#inline-select-container {
    overflow:auto;
}
#inline-select-left {
    float:left;
}

#inline-select-right {
     float:right;
}