<!DOCTYPE HTML> <html> <head> <title>Pixel rounding testcase</title> <style type="text/css"> html, body { margin: 0; border: none; padding: 0; } div { display: table; position: absolute; } </style> </head> <body> <!-- one border --> <div style="top: 10px; left: 10.5px; width: 10px; border-top: 10px solid green"></div> <div style="top: 10px; left: 30.5px; height: 10px; border-right: 10px solid green"></div> <div style="top: 10px; left: 50.5px; width: 10px; border-bottom: 10px solid green"></div> <div style="top: 10px; left: 70.5px; height: 10px; border-left: 10px solid green"></div> <!-- two adjacent borders --> <div style="top: 10px; left: 90.5px; border-top: 10px solid green; border-right: 10px solid green"></div> <div style="top: 10px; left: 110.5px; border-bottom: 10px solid green; border-right: 10px solid green"></div> <div style="top: 10px; left: 130.5px; border-top: 10px solid green; border-left: 10px solid green"></div> <div style="top: 10px; left: 150.5px; border-bottom: 10px solid green; border-left: 10px solid green"></div> <!-- two opposite borders --> <div style="top: 10px; left: 170.5px; height: 10px; border-left: 5px solid green; border-right: 5px solid green;"></div> <div style="top: 10px; left: 190.5px; height: 10px; border-left: 5px solid green; border-right: 5px solid green;"></div> <div style="top: 10px; left: 210.5px; width: 10px; border-top: 5px solid green; border-bottom: 5px solid green"></div> <!-- three borders --> <div style="top: 10px; left: 230.5px; border-top: 5px solid green; border-right: 10px solid green; border-bottom: 5px solid green"></div> <div style="top: 10px; left: 250.5px; border-top: 5px solid green; border-left: 10px solid green; border-bottom: 5px solid green"></div> <div style="top: 10px; left: 270.5px; border-left: 5px solid green; border-right: 5px solid green; border-bottom: 10px solid green"></div> <div style="top: 10px; left: 290.5px; border-left: 5px solid green; border-right: 5px solid green; border-bottom: 10px solid green"></div> <div style="top: 10px; left: 310.5px; border-left: 5px solid green; border-right: 5px solid green; border-top: 10px solid green"></div> <div style="top: 10px; left: 330.5px; border-left: 5px solid green; border-right: 5px solid green; border-top: 10px solid green"></div> <!-- four borders --> <div style="top: 10px; left: 350.5px; border-top: 5px solid green; border-right: 5px solid green; border-bottom: 5px solid green; border-left: 5px solid green"></div> <div style="top: 10px; left: 370.5px; border-top: 5px solid green; border-right: 5px solid green; border-bottom: 5px solid green; border-left: 5px solid green"></div> <!-- border around space --> <div style="top: 30px; left: 10.5px; border: 10px solid green; height: 20px; width: 20px"></div> </body> </html>