HTML:
<div class="container" id="parent">
<div class="row">
<div class="col-lg-12">text
<div class="row ">
<div class="col-md-4 col-md-offset-4" id="child">TEXT</div>
</div>
</div>
</div>
</div>
CSS:
#parent {
text-align: center;
}
#child {
margin: 0 auto;
display: inline-block;
background: red;
color: white;
}