<div class='row'>
<div class="panel panel-primary">
<div class='row'>
<div class='col-md-8 pull-right'>
<div class="btn-group" role="group">
<button type="button" class="btn btn-primary" onclick="hotsite.vitrine.novo();">
<i class="fas fa-video" aria-hidden="true"></i> Minhas Fotos
</button>
</div>
</div>
<div class='col-md-6 pull-right'>
<div class="btn-group" role="group">
<button type="button" class="btn btn-primary" onclick="hotsite.vitrine.novo();">
<i class="fas fa-video" aria-hidden="true"></i> Todas as Fotos
</button>
</div>
</div>
<div class='col-md-4 pull-right'>
<div class="btn-group" role="group">
<button type="button" class="btn btn-primary" onclick="hotsite.vitrine.novo();">
<i class="fas fa-video" aria-hidden="true"></i> Enviar Foto
</button>
</div>
</div>
</div>
</div>
</div>
<!--div class='row'-->
<div class="row col-md-12 col-sm-12">
<div class="panel panel-primary">
<div class='row'>
<div class='col-md-4 pull-right'>
<div class="btn-group" role="group">
<!--button type="button" class="btn btn-primary" onclick="hotsite.vitrine.minhasfotos();"-->
<button type="button" class="btn btn-primary" onclick="hotsite.vitrine.minhasfotos();">
<i class="fas fa-video" aria-hidden="true"></i> Minhas Fotos
</button>
</div>
</div>
<div class='col-md-4 pull-right'>
<div class="btn-group" role="group">
<button type="button" class="btn btn-primary" onclick="hotsite.vitrine.novo();">
<i class="fas fa-video" aria-hidden="true"></i> Todas as Fotos
</button>
</div>
</div>
<div class='col-md-4 pull-right'>
<div class="btn-group" role="group">
<button type="button" class="btn btn-primary" onclick="hotsite.vitrine.novo();">
<i class="fas fa-video" aria-hidden="true"></i> Enviar Foto
</button>
</div>
</div>
</div>
</div>
</div>
<div class="container">
<div class="row">
<div class="panel panel-primary">
<div class=" col-md-12 col-sm-12">
<div class='row'>
<div class="col-sm-12 col-md-6">
<div class="btn-group" role="group">
<button type="button" class="btn btn-primary" onclick="xxxx;">
<i class="fas fa-video" aria-hidden="true"></i> Minhas Fotos
</button>
</div>
</div>
<div class="col-sm-12 col-md-3">
<div class="btn-group" role="group">
<button type="button" class="btn btn-primary" onclick="xxx;">
<i class="fas fa-video" aria-hidden="true"></i> Todas as Fotos
</button>
</div>
</div>
<div class="col-sm-12 col-md-3">
<div class="btn-group" role="group">
<button type="button" class="btn btn-primary" onclick="xxx;">
<i class="fas fa-video" aria-hidden="true"></i> Enviar Foto
</button>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="panel panel-default">
<div class="panel-heading">
<h3 class="panel-title">Panel title</h3>
</div>
<div class="panel-body">
Panel content
</div>
<div class="panel-footer">Panel footer</div>
</div>
The problem is that a row div must equal 12 per column type
You have
col-md-8 + col-md-6 + col-md-4 = 18
it must equal 12
so change it to have total of 12