I wanna to add space between columns on bootstrap grid. Here is my html and css I use stock bootstrap v3.3.4
I try to use those topics:-
- twitter bootstrap grid system. Spacing between columns
- How do I add a margin between bootstrap columns without wrapping
- Bootstrap: add margin/padding space between columns
.product-icon {
  min-height: 30px;
  position: relative;
  top: 65px;
  z-index: 999;
  margin:0 auto;
}
.product-header
{
background-image:url("http://placehold.it/350x102");
background-size:cover;
border-bottom: 2px solid #94e059;
min-height: 102px;
}
.product-information
{
 text-align:center;
}
.product-tiles
{
 border: 2px solid #94e059;
}<div class="row">
          <div class="col-xs-12 col-sm-6 col-md-4 col-lg-4 product-tiles form-group">
              <div class="row">
                  <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-header">
                  <img src="images/softwaredev-icon.png" class="img-responsive product-icon" width="128" height="128" alt="">
                  </div>
                  <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-information">
                  <br><br><br><h3>Lorem ipsum dolor sit amet</h3><hr>
    <p> <i class="icon-desktop "></i>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sunt impedit est voluptatem doloremque architecto corporis suscipit quidem ratione! Quis laborum nam optio dolorem doloremque ex nobis quibusdam ad quo dolores? </p><br>
            <p><a class="btn btn-default" href="custom-software-development.html">Read more »</a></p>
            <p><a class="btn btn-default" href="custom-software-development.html">Make inquiry »</a></p>
                     </div>
                </div>
           </div>
          <div class="col-xs-12 col-sm-6 col-md-4 col-lg-4 product-tiles form-group">
              <div class="row">
                  <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-header">
                  <img src="images/icon.png" class="img-responsive product-icon" width="128" height="128" alt="">
           </div>
                  <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-information">
                  <br><br><br><h3>Lorem ipsum dolor sit amet</h3><hr>
    <p> <i class="icon-desktop "></i>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sunt impedit est voluptatem doloremque architecto corporis suscipit quidem ratione! Quis laborum nam optio dolorem doloremque ex nobis quibusdam ad quo dolores? </p><br>
            <p><a class="btn btn-default" href="custom-software-development.html">Read more »</a></p>
            <p><a class="btn btn-default" href="custom-software-development.html">Make inquiry »</a></p>
                     </div>
                </div>
           </div>
          <div class="col-xs-12 col-sm-6 col-md-4 col-lg-4 product-tiles form-group">
              <div class="row">
                  <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-header">
                  <img src="images/icon.png" class="img-responsive product-icon" width="128" height="128" alt="">
                  </div>
                  <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-information">
                  <br><br><br><h3>Lorem ipsum dolor sit amet</h3><hr>
    <p> <i class="icon-desktop "></i>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sunt impedit est voluptatem doloremque architecto corporis suscipit quidem ratione! Quis laborum nam optio dolorem doloremque ex nobis quibusdam ad quo dolores? </p><br>
            <p><a class="btn btn-default" href="custom-software-development.html">Read more »</a></p>
            <p><a class="btn btn-default" href="custom-software-development.html">Make inquiry »</a></p>
                     </div>
                </div>
           </div>
        <div class="col-xs-12 col-sm-6 col-md-4 col-lg-4 product-tiles form-group">
          <div class="row">
              <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-header">
              <img src="images/icon.png" class="img-responsive product-icon" width="128" height="128" alt="">
              </div>
              <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-information">
              <br><br><br><h3>Lorem ipsum dolor sit amet</h3><hr>
<p> <i class="icon-desktop "></i>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sunt impedit est voluptatem doloremque architecto corporis suscipit quidem ratione! Quis laborum nam optio dolorem doloremque ex nobis quibusdam ad quo dolores? </p><br>
        <p><a class="btn btn-default" href="custom-software-development.html">Read more »</a></p>
        <p><a class="btn btn-default" href="custom-software-development.html">Make inquiry »</a></p>
            </div>
         </div>
       </div>
          <div class="col-xs-12 col-sm-6 col-md-4 col-lg-4 product-tiles form-group">
          <div class="row">
              <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-header">
              <img src="images/icon.png" class="img-responsive product-icon" width="128" height="128" alt="">
              </div>
              <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-information">
              <br><br><br><h3>Lorem ipsum dolor sit amet</h3><hr>
<p> <i class="icon-desktop "></i>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sunt impedit est voluptatem doloremque architecto corporis suscipit quidem ratione! Quis laborum nam optio dolorem doloremque ex nobis quibusdam ad quo dolores? </p><br>
        <p><a class="btn btn-default" href="custom-software-development.html">Read more »</a></p>
        <p><a class="btn btn-default" href="custom-software-development.html">Make inquiry »</a></p>
            </div>
         </div>
       </div>
        <div class="col-xs-12 col-sm-6 col-md-4 col-lg-4 product-tiles form-group">
          <div class="row">
              <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-header">
              <img src="images/icon.png" class="img-responsive product-icon" width="128" height="128" alt="">
              </div>
              <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-information">
              <br><br><br><h3>Lorem ipsum dolor sit amet</h3><hr>
<p> <i class="icon-desktop "></i>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sunt impedit est voluptatem doloremque architecto corporis suscipit quidem ratione! Quis laborum nam optio dolorem doloremque ex nobis quibusdam ad quo dolores? </p><br>
        <p><a class="btn btn-default" href="custom-software-development.html">Read more »</a></p>
        <p><a class="btn btn-default" href="custom-software-development.html">Make inquiry »</a></p>
            </div>
         </div>
       </div>
         <div class="col-xs-12 col-sm-6 col-md-4 col-lg-4 product-tiles form-group">
          <div class="row">
              <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-header">
              <img src="images/icon.png" class="img-responsive product-icon" width="128" height="128" alt="">
              </div>
              <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-information">
              <br><br><br><h3>Lorem ipsum dolor sit amet</h3><hr>
<p> <i class="icon-desktop "></i>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sunt impedit est voluptatem doloremque architecto corporis suscipit quidem ratione! Quis laborum nam optio dolorem doloremque ex nobis quibusdam ad quo dolores? </p><br>
        <p><a class="btn btn-default" href="custom-software-development.html">Read more »</a></p>
        <p><a class="btn btn-default" href="custom-software-development.html">Make inquiry »</a></p>
            </div>
         </div>
       </div>
          <div class="col-xs-12 col-sm-6 col-md-4 col-lg-4 product-tiles form-group">
          <div class="row">
              <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-header">
              <img src="images/icon.png" class="img-responsive product-icon" width="128" height="128" alt="">
              </div>
              <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-information">
              <br><br><br><h3>Lorem ipsum dolor sit amet</h3><hr>
<p> <i class="icon-desktop "></i>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sunt impedit est voluptatem doloremque architecto corporis suscipit quidem ratione! Quis laborum nam optio dolorem doloremque ex nobis quibusdam ad quo dolores? </p><br>
        <p><a class="btn btn-default" href="custom-software-development.html">Read more »</a></p>
        <p><a class="btn btn-default" href="custom-software-development.html">Make inquiry »</a></p>
            </div>
         </div>
       </div>
         <div class="col-xs-12 col-sm-6 col-md-4 col-lg-4 product-tiles form-group">
          <div class="row">
              <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-header">
              <img src="images/icon.png" class="img-responsive product-icon" width="128" height="128" alt="">
              </div>
              <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 product-information">
              <br><br><br><h3>Lorem ipsum dolor sit amet</h3><hr>
<p> <i class="icon-desktop "></i>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sunt impedit est voluptatem doloremque architecto corporis suscipit quidem ratione! Quis laborum nam optio dolorem doloremque ex nobis quibusdam ad quo dolores? </p><br>
        <p><a class="btn btn-default" href="csd.html">Read more »</a></p>
        <p><a class="btn btn-default" href="csd.html">Make inquiry »</a></p>
            </div>
         </div>
       </div>
    </div>I don't want to use offset on columns.
 
     
     
     
     
    