css to make bootstrap navbar transparent -


i use bootstrap , have navbar in html file make nav bar transparent show background image. can 1 teach me how css? tried following css nothing happend

.navbar-inner {     background-color:transparent; }  <div class="navbar navbar-inverse navbar-fixed-top">             <div class="navbar-inner">                     <div class="container">                         <button type="button" class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">                             <span class="icon-bar"></span>                             <span class="icon-bar"></span>                             <span class="icon-bar"></span>                         </button>                         <a class="brand" href="#">lol</a>                         <div class="nav-collapse collapse">                             <ul class="nav pull-right">                                 <li class="active"><a href="/">home</a></li>                                 <li><a href="about">about</a></li>                             </ul>                         </div>                     </div>             </div>         </div> 

i able make navigation bar transparent adding new .transparent class .navbar , setting css this:

 .navbar.transparent.navbar-inverse .navbar-inner {     border-width: 0px;     -webkit-box-shadow: 0px 0px;     box-shadow: 0px 0px;     background-color: rgba(0,0,0,0.0);     background-image: -webkit-gradient(linear, 50.00% 0.00%, 50.00% 100.00%, color-stop( 0% , rgba(0,0,0,0.00)),color-stop( 100% , rgba(0,0,0,0.00)));     background-image: -webkit-linear-gradient(270deg,rgba(0,0,0,0.00) 0%,rgba(0,0,0,0.00) 100%);     background-image: linear-gradient(180deg,rgba(0,0,0,0.00) 0%,rgba(0,0,0,0.00) 100%); } 

my markup this

<div class="navbar transparent navbar-inverse">             <div class="navbar-inner">.... 

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