How To Make Label And Values Of Same Height In Bootstrap Radio Button Group

https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css

<link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" />  

<div class="input-group input-group-lg">
    <span class="input-group-addon" id="addon-title">Type</span>
    <div class="btn-group" data-toggle="buttons">
        <label class="btn btn-primary active">
            <input type="radio" name="eventType" value="one"> One
        </label>
        <label class="btn btn-primary">
            <input type="radio" name="eventType" value="two"> Two
        </label>
        <label class="btn btn-primary">
            <input type="radio" name="eventType" value="three"> Three
        </label>
        <label class="btn btn-primary">
            <input type="radio" name="eventType" value="four"> Four
        </label>
    </div>
</div>