The following code shows how to create Search input form.
<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
#appendedInputButton {<!--from w ww . jav a2s.c om-->
width: 50%;
}
</style>
<link
href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.0/css/bootstrap-combined.min.css"
rel="stylesheet">
</head>
<body style='margin:30px'>
<div class="container">
<div class="row-fluid">
<div class="span12">
<div class="input-append span12">
<input id="appendedInputButton" type="text">
<button class="btn" type="button">Go!</button>
</div>
</div>
</div>
</div>
</body>
</html>