<!DOCTYPE html> <html> <body> <div style="display:table"> <div style="display: table-row"> <div style="display: table-cell"> First Column </div> <div style="display: table-cell"> Second Column </div> </div> <div style="display: table-row"> <div style="display: table-cell"> First Column </div> <div style="display: -moz-popup; display: popup"></div> <div style="display: table-cell"> Second Column </div> </div> </div> </body> </html>