bootstrap input button
by Alaksandar Jesus Gene
HTML
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
<form action="" method="get">
<div class="input-group">
<input type="text" placeholder="domain" value="textvalue" name="domain" class="form-control" autofocus />
<div class="input-group-btn">
<button class="btn btn-default" type="submit">DiG</button>
<select class="btn btn-default" name="record_type">
<option value="selectedvalue" selected>Selected</option>
<option value="soa">SOA</option>
<option value="ns">NS</option>
<option value="a">A</option>
<option value="mx">MX</option>
<option value="txt">TXT</option>
<option value="cname">CNAME</option>
<option value="srv">SRV</option>
</select>
</div>
</div>
</form>