<div class="row">
<div class="col-lg-3 col-md-3 col-sm-3">
<div class="col-lg-12 col-md-12 col-sm-12"></div>
<div class="col-lg-6 col-md-6 col-sm-6"></div>
<div class="col-lg-6 col-md-6 col-sm-6"></div>
</div>
<div class="col-lg-3 col-md-3 col-sm-3">
<div class="col-lg-6 col-md-6 col-sm-6"></div>
<div class="col-lg-6 col-md-6 col-sm-6"></div>
<div class="col-lg-12 col-md-12 col-sm-12"></div>
</div>
<div class="col-lg-3 col-md-3 col-sm-3">
</div>
<div class="col-lg-3 col-md-3 col-sm-3">
<div class="col-lg-12 col-md-12 col-sm-12"></div>
<div class="col-lg-12 col-md-12 col-sm-12"></div>
</div>
</div>var img = new Image();
img.onload = function(){
$('.divclass').css('width', this.width + 'px');
};
img.src = $('.divclass').css('background-image');