This has probably been answered before, but my google-fu isn't working. I'd like to have a span, span across several rows, something like the attached picture. Any suggestions on how to do this in bootstrap?
<https://lh3.googleusercontent.com/-HFr9NdYtL4U/UJEqWbqUT5I/AAAAAAAAD4k/Z4iglbygVYU/s1600/layout.png>
