I have the following code
- AAA
- &
<div class="tabbable">
<ul class="nav nav-tabs">
<li class="active"><a href="#aaa" data-toggle="tab">AAA</a></li>
<li><a href="#bbb" data-toggle="tab">BBB</a></li>
<li><a href="#ccc" data-toggle="tab">CCC</a></li>
</ul>
<div class="tab-content" id="tabs">
<div class="tab-pane fade active in" id="aaa">...Content...</div>
<div class="tab-pane" id="bbb">...Content...</div>
<div class="tab-pane" id="ccc">...Content...</div>
</div>
</div>
Add active class to any li element you want to be active after page load. And also adding active class to content div is needed ,fade in classes are useful for a smooth transition.