There are no vertical lines in html that you can use, but you can fake one by absolutely positioning the div outside your container using the top:0;and style bottom:0;.
Try the following:
CSS
.vr {
width:10px;
background-color:#000;
position:absolute;
top:0;
bottom:0;
left:150px;
}
HTML
<div class="vr"> </div>
Demo
source
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