bootstrap alignment

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css">
<div class="view-header">
 <span class="view-title">Recherche de mandats</span>
<div class="pull-right">
    <a style="line-height: 30px; margin-right: 20px; vertical-align: bottom; float: left;">
        <span class="pointer">more options</span>
    </a>
    <form class="form-inline pull-left" placeholder="N° de contrat, nom/numéro de client" css-class="input-xxlarge">
        <input class="input-xxlarge ng-dirty" type="text" placeholder="N° de contrat, nom/numéro de client" ng-model="model">
        <button disabled="disabled" class="btn btn-info" type="submit"><i class="icon-search"></i>&nbsp;Rechercher</button>
    </form>
</div>
<div class="clearfix"></div>

<div class="pull-right">
</div>
<div class="clearfix"></div>
    
    </div>

CSS

span.view-title {
    font-size: 24px;
    color: #999999;
    font-weight: normal !important;
    line-height:30px;
}


.view-header {
    background-color: #f5f5f5;
    margin-bottom: 20px;
    padding: 10px 20px 10px 20px;
    border-bottom: solid 1px #bbbbbb;
}