The following code shows how to create input-append.
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css"
href="http://getbootstrap.com/2.3.2/assets/css/bootstrap.css">
<style type='text/css'>
input.search-query {<!-- www .ja v a2 s .c o m-->
padding-left: 26px;
}
form.form-search {
position: relative;
}
form.form-search:before {
content: '';
display: block;
width: 14px;
height: 14px;
background-image:
url(http://getbootstrap.com/2.3.2/assets/img/glyphicons-halflings.png);
background-position: -48px 0;
position: absolute;
top: 8px;
left: 8px;
opacity: .5;
z-index: 1000;
}
</style>
</head>
<body>
<div style="padding: 20px;">
<form class="form-search form-inline">
<div class="input-append">
<input type="text" class="search-query" placeholder="Search..." />
<button type="submit" class="btn btn-primary">Search</button>
</div>
</form>
</div>
</body>
</html>