Bootstrap Skeleton
This is a simple Bootstrap skeleton. You can fork it to get a ready to use Bootstrap fiddle.
HTML
<script src="http://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.1.0/bootstrap.min.js"></script>
<div class="container">
<form action="http://pt.stackoverflow.com/a/16743/70" target="_top">
<div class="iconInput">
<i class="glyphicon glyphicon-file"></i>
<input type="text" class="form-control" placeholder="Nome do arquivo" />
</div>
<label for="salvar" class="btn btn-primary" >
<i class="glyphicon glyphicon-floppy-disk"></i> Salvar e voltar ao SOpt
</label>
<input id="salvar" name="salvar" type="submit" value="Salvar" class="hidden" />
</form>
</div>
CSS
@import url('http://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css');
@import url('http://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap-glyphicons.css');
.iconInput input {
padding-left: 28px;
}
.iconInput i {
position: absolute;
padding: 9px 10px;
}
div {
position:relative;
margin: 10px 0;
}