<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<link href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<form class="form-horizontal">
<fieldset>
<legend>Edit event</legend>
<div class="form-group">
<label class="col-md-4 control-label" for="button1id">Gender</label>
<div class="col-md-8">
<button id="button1id" name="button1id" class="btn btn-inverse">Boys</button>
<button id="button2id" name="button2id" class="btn btn-success">Girls</button>
<button id="button1id" name="button1id" class="btn btn-inverse">Mixed</button>
<button id="button1id" name="button1id" class="btn btn-inverse">Any</button>
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="button1id">Age</label>
<div class="col-md-8">
<button id="button1id" name="button1id" class="btn btn-success">9</button>
<button id="button2id" name="button2id" class="btn btn-inverse">10</button>
<button id="button2id" name="button2id" class="btn btn-inverse">11</button>
<button id="button2id" name="button2id" class="btn btn-inverse">12</button>
<button id="button2id" name="button2id" class="btn btn-inverse">13</button>
<button id="button2id" name="button2id" class="btn btn-inverse">14</button>
<button id="button2id" name="button2id" class="btn btn-inverse">15</button>
<button id="button2id" name="button2id" class="btn btn-inverse">16</button>
