Button Group
<div class="btn-group" role="group" aria-label="Basic example"><button type="button" class="btn btn-dark">Left</button><button type="button" class="btn btn-dark">Middle</button><button type="button" class="btn btn-dark">Right</button></div>
<div class="btn-group" role="group" aria-label="Basic example"><button type="button" class="btn btn-primary"><i class="ti-control-pause"></i></button><button type="button" class="btn btn-success"><i class="ti-control-play"></i></button><button type="button" class="btn btn-warning"><i class="ti-control-forward"></i></button></div>
<div class="btn-toolbar" role="toolbar" aria-label="Toolbar with button groups"><div class="btn-group mr-2" role="group" aria-label="First group"><button type="button" class="btn btn-dark">1</button><button type="button" class="btn btn-dark">2</button><button type="button" class="btn btn-dark">3</button><button type="button" class="btn btn-dark">4</button></div><div class="btn-group mr-2" role="group" aria-label="Second group"><button type="button" class="btn btn-dark">5</button><button type="button" class="btn btn-dark">6</button><button type="button" class="btn btn-dark">7</button></div><div class="btn-group" role="group" aria-label="Third group"><button type="button" class="btn btn-dark">8</button></div></div>
<div class="btn-group btn-group-lg" role="group" aria-label="Large button group"><button type="button" class="btn btn-dark">Left</button><button type="button" class="btn btn-dark">Middle</button><button type="button" class="btn btn-dark">Right</button></div><div class="btn-group" role="group" aria-label="Default button group"><button type="button" class="btn btn-dark">Left</button><button type="button" class="btn btn-dark">Middle</button><button type="button" class="btn btn-dark">Right</button></div><div class="btn-group btn-group-sm" role="group" aria-label="Small button group"><button type="button" class="btn btn-dark">Left</button><button type="button" class="btn btn-dark">Middle</button><button type="button" class="btn btn-dark">Right</button></div>
<div class="btn-group" role="group" aria-label="Button group with nested dropdown"><button type="button" class="btn btn-dark">1</button><button type="button" class="btn btn-dark">2</button><div class="btn-group" role="group"><button id="btnGroupDrop1" type="button" class="btn btn-dark dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown </button><div class="dropdown-menu" aria-labelledby="btnGroupDrop1"><a class="dropdown-item" href="#">Dropdown link</a><a class="dropdown-item" href="#">Dropdown link</a></div></div></div>
<div class="btn-group-vertical" role="group" aria-label="Vertical button group"><button type="button" class="btn btn-primary"><i class="fa fa-cloud-upload"></i></button><button type="button" class="btn btn-primary"><i class="fa fa-calendar"></i></button><button type="button" class="btn btn-primary"><i class="fa fa-database"></i></button><button type="button" class="btn btn-primary"><i class="fa fa-cog"></i></button><button type="button" class="btn btn-primary"><i class="fa fa-heart-o"></i></button><button type="button" class="btn btn-primary"><i class="fa fa-share"></i></button></div>