<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"><head> <title>CSS Reference: width: calc() on table-layout: auto tables</title> <link href="https://dbaron.org/" rel="author" title="L. David Baron" /> <meta content="" name="flags" /> <style type="text/css"> table { table-layout: fixed; width: 500px; border-spacing: 0 } </style> </head> <body> <table border=""> <tbody><tr> <td style="width: 500px">x</td> <td style="width: 100px">y</td> </tr></tbody></table> <table border=""> <tbody><tr> <td>x</td> <td style="width: 100px">y</td> </tr></tbody></table> <table border=""> <tbody><tr> <td>x</td> <td style="width: 100px">y</td> </tr></tbody></table> </body></html>