html - Remove space between navbar and jumbotron in Bootstrap 3 -

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there space between navbar , jumbotron in bootstrap 3. there space between jumbotron , 3 horizontal thumbnails. want rid of space. have change css , change padding or best way?

_header

<nav class="navbar navbar-inverse" role="navigation">   <!-- brand , toggle grouped better mobile display -->   <div class="navbar-header">     <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-ex1-collapse">       <span class="sr-only">toggle navigation</span>       <span class="icon-bar"></span>       <span class="icon-bar"></span>       <span class="icon-bar"></span>     </button>     <div style="font-family:webdings;">       <%= link_to "project", root_path, class: 'navbar-brand' %>     </div>   </div>    <!-- collect nav links, forms, , other content toggling -->   <div class="collapse navbar-collapse navbar-ex1-collapse">     <ul class="nav navbar-nav">       <li class="active"><%= link_to "about", about_path %></li>       <li><%= link_to "team", team_path %></li>       <li class="dropdown">         <a href="#" class="dropdown-toggle" data-toggle="dropdown">resources<b class="caret"></b></a>         <ul class="dropdown-menu">           <li><%= link_to "action 1", about_path %></li>           <li><%= link_to "action 2", about_path %></li>           <li><%= link_to "action 3", about_path %></li>           <li><%= link_to "action 4", about_path %></li>         </ul>       </li>     </ul>     <ul class="nav navbar-nav navbar-right">       <li><%= link_to "contact", contact_path %></li>       <li><%= link_to "sign up", register_path %></li>     </ul>   </div><!-- /.navbar-collapse --> </nav

home (with thumbnails)

<%= provide(:title, "home") %> <div class="jumbotron">   <div class="container">     <h1>welcome club!</h1>     <p>blabla</p>     <p><a class="btn btn-primary btn-lg">sign up</a></p>   </div> </div>   <div class="column">   <div class="col-xs-4">     <div class="thumbnail">       <img src="http://b2bleadblog.com/images/2007/05/18/huddlehands.jpg" alt="my image" />       <div class="caption">         <h3>blablabla</h3>         <p style="font-size:17px">blablalbal.</p>       </div>     </div>   </div> </div>

you have set margin-bottom:0; navbar , jumbotron classes. can use custom stylesheet override this. use custom css next bootstrap css reference. below:

  <link href="../css/bootstrap.css" rel="stylesheet" type="text/css" />    <link href="../css/customstyles.css" rel="stylesheet" type="text/css" />

see bootply example


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