Grid line divider

<div class="container bootstrap snippet">
    <div class="page-header">
        <h3>Add the (.grid-divider) class to any row to separate grid columns with equal height lines.</h3>
    </div>
    <div class="row grid-divider">
    <div class="col-sm-4">
      <div class="col-padding">
        <h3>Column 1</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Minima expedita incidunt rerum.</p>
      </div>
    </div>
    <div class="col-sm-4">
      <div class="col-padding">
        <h3>Column 2</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Voluptate placeat suscipit maxime tenetur officiis asperiores quae molestias fugiat praesentium dolorum.</p>
      </div>
    </div>
    <div class="col-sm-4">
      <div class="col-padding">
        <h3>Column 3</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab veniam aperiam numquam cupiditate maiores repudiandae ea dicta, sunt rerum corporis. Ab veniam aperiam numquam cupiditate maiores repudiandae ea dicta, sunt rerum corporis. Ab veniam aperiam numquam cupiditate maiores repudiandae ea dicta.</p>
      </div>
    </div>
    </div>
</div>

/* Tablet and bigger */
@media ( min-width: 768px ) {
    .grid-divider {
        position: relative;
        padding: 0;
    }
    .grid-divider>[class*='col-'] {
        position: static;
    }
    .grid-divider>[class*='col-']:nth-child(n+2):before {
        content: "";
        border-left: 1px solid #DDD;
        position: absolute;
        top: 0;
        bottom: 0;
    }
    .col-padding {
        padding: 0 15px;
    }
}