Bootstrap 3.0 Glyphicon Inside Input Box
HTML
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome.min.css">
<input class="form-control glyphicon" type="search" placeholder=" search" />
<input class="form-control glyphicon" type="text" placeholder=" username" />
<input class="form-control glyphicon" type="password" placeholder=" password" />
<!-- Post Info -->
<div style='position:fixed;bottom:0;left:0;
background:lightgray;width:100%;'>
About this SO Question: <a href=' http://stackoverflow.com/q/18838964/1366033'>Add Bootstrap Glyphicon to Input Box</a><br/>
Find documentation: <a href='http://getbootstrap.com/components/#input-groups'>Bootstrap 3.0 Input Groups</a><br/>
Fork This Skeleton Here <a href='http://jsfiddle.net/KyleMit/kcpma/'>Bootrsap 3.0 Skeleton</a><br/>
External JS File: <a href='http://netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js'>bootstrap.min.js</a><br/>
External Style Sheet: <a href='http://netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js'>bootstrap.min.css</a><br/>
External Fonts / Icons: <a href='http://netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome.min.css'>font-awesome.min.css</a>
<div>
CSS
.form-control.glyphicon {
font-family:inherit;
}
.form-control.glyphicon::-webkit-input-placeholder:first-letter {
font-family:"Glyphicons Halflings";
}
.form-control.glyphicon:-moz-placeholder:first-letter {
font-family:"Glyphicons Halflings";
}
.form-control.glyphicon::-moz-placeholder:first-letter {
font-family:"Glyphicons Halflings";
}
.form-control.glyphicon:-ms-input-placeholder:first-letter {
font-family:"Glyphicons Halflings";
}