<!DOCTYPE html> <html lang="en-US"> <head> <title>test of box-sizing</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <meta http-equiv="Content-Style-Type" content="text/css"> <style type="text/css"> body { font-size: 10px; line-height: 1; } table { border-spacing: 0; margin: 0; } td { border: 1px solid; padding: 1px solid; } td > div { width: 100px; } td#bscontent > div > div { box-sizing: content-box; } td#bsborder > div > div { box-sizing: border-box; } td > div > div { margin-left: 1%; border-left: 2px solid; padding-left: 4%; padding-right: 8%; border-right: 16px solid; margin-right: 32%; background: yellow; margin-bottom: 1px; } </style> </head> <body> <table><tr> <td id="bscontent"><div> <!-- box-sizing: content-box --> <div style="width: auto">A B</div> <div style="width: -moz-max-content">A B</div> <div style="width: -moz-min-content">A B</div> <div style="width: -moz-fit-content">A B</div> <div style="width: -moz-available">A B</div> <div style="width: 50px">A B</div> <div style="width: 60%">A B</div> </div></td> <td id="bsborder"><div> <!-- box-sizing: border-box --> <div style="width: auto">A B</div> <div style="width: -moz-max-content">A B</div> <div style="width: -moz-min-content">A B</div> <div style="width: -moz-fit-content">A B</div> <div style="width: -moz-available">A B</div> <div style="width: 50px">A B</div> <div style="width: 60%">A B</div> </div></td> </tr></table> </body> </html>