<!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 100px; } td { border: 1px solid; padding: 1px solid; } td > div { width: 100px; } td > div > div { margin-left: 1px; border-left: 2px solid; padding-left: 4px; padding-right: 8px; border-right: 16px solid; margin-right: 32px; background: yellow; margin-bottom: 10px; float: right; clear: right; text-align: right; height: 40px; right: 0; } </style> </head> <body> <table><tr> <td id="bscontent"><div> <!-- box-sizing: content-box --> <div>A B</div> <div>A B</div> <div>A<br>B</div> <div>A B</div> <div style="width: 37px">A B</div> <div style="width: 50px">A B</div> <div style="width: 60px">A B</div> </div></td> <td id="bsborder"><div> <!-- box-sizing: border-box --> <div>A B</div> <div>A B</div> <div>A<br>B</div> <div>A B</div> <div style="width: 37px">A B</div> <div style="width: 20px">A B</div> <div style="width: 30px">A B</div> </div></td> </tr></table> </body> </html>