Fixed search bar using Bootstrap 3.0

<div class="navbar navbar-inverse navbar-fixed-top">

   <div class="container">

      <div class="navbar-header">

         <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">

         <span class="icon-bar"></span>

         <span class="icon-bar"></span>

         <span class="icon-bar"></span>

         </button>

         <a class="navbar-brand hidden-xs" href="#">CompAny</a>

         <a class="navbar-brand visible-xs" href="#">C</a>

         <form class="navbar-form pull-left" role="search">

            <div class="input-group">

               <input type="text" class="form-control" placeholder="Search">

               <div class="input-group-btn">

                  <button type="submit" class="btn btn-default"><span class="glyphicon glyphicon-search"></span></button>

               </div>

            </div>

         </form>

      </div>

      <div class="navbar-collapse collapse">

         <ul class="nav navbar-nav navbar-right">

            <li class="active"><a href="#">Home</a></li>

            <li><a href="#about">Browse Courses</a></li>

            <li><a href="#contact">Active Courses</a></li>

         </ul>

      </div>

      <!--/.navbar-collapse -->

   </div>

</div>