Actions can be added to the bars either as buttons or as button groups. You can create toolbar-like actions with the following markup:
<header style="-webkit-app-region: drag" class="toolbar toolbar-header">
<h1 class="title">Header with actions</h1>
<div class="toolbar-actions">
<div class="btn-group">
<button class="btn btn-default">
<span class="icon icon-home"></span>
</button>
<button class="btn btn-default">
<span class="icon icon-folder"></span>
</button>
<button class="btn btn-default active">
<span class="icon icon-cloud"></span>
</button>
<button class="btn btn-default">
<span class="icon icon-popup"></span>
</button>
<button class="btn btn-default">
<span class="icon icon-shuffle"></span>
</button>
</div>
<button class="btn btn-default">
<span class="icon icon-home icon-text"></span>
Filters
</button>
<button class="btn btn-default btn-dropdown pull-right">
<span class="icon icon-megaphone"></span>
</button>
</header>