Bootstrap form example
by prateekbansal07
HTML
<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.0.1/css/bootstrap.min.css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
<div class="btn-group" data-toggle="buttons">
<label class="btn btn-default active">
<input type="radio" name="options" > Month
</label>
<label class="btn btn-default">
<input type="radio" name="options" "> Day
</label>
<label class="btn btn-default">
<input type="radio" name="options" > Year
</label>
</div>