JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<form class="form-horizontal">
    <div class="form-group">
        <label for="name" class="col-xs-2 control-label">Name</label>
        <div class="col-xs-10">
            <input type="text" class="form-control col-sm-10" name="name" placeholder="name"/>
        </div>
    </div>
    
    <div class="form-group">
        <label for="birthday" class="col-xs-2 control-label">Birthday</label>
        <div class="col-xs-10">
            <div class="form-inline">
                <div class="form-group">
                    <input type="text" class="form-control" placeholder="year"/>
                </div>
                <div class="form-group">
                    <input type="text" class="form-control" placeholder="month"/>
                </div>
                <div class="form-group">
                    <input type="text" class="form-control" placeholder="day"/>
                </div>
            </div>
        </div>
    </div>
    
</form>

CSS

.form-inline .form-group{
    margin-left: 0;
    margin-right: 0;
}