<!doctype html> <meta charset="utf-8"> <title>Verifies overflow-clip-margin supports visual-box</title> <link rel="help" href="https://www.w3.org/TR/css-overflow-3/#propdef-overflow-clip-margin"> <link rel="author" title="Khushal Sagar" href="mailto:khushalsagar@chromium.org"> <style> .container { width: 100px; height: 100px; overflow: visible; padding: 10px; border: 10px solid black; margin: 10px; border-radius: 0px 15px 25px 35px; background: grey; } .inner_border_box { width: 150px; height: 150px; position: relative; top: -25px; left: -25px; background: blue; border-radius: 0px 15.55px 30px 40px; } .inner_padding_box { width: 130px; height: 130px; position: relative; top: -15px; left: -15px; background: blue; border-radius: 0px 10px 20px 30px; } .inner_content_box { width: 110px; height: 110px; position: relative; top: -5px; left: -5px; background: blue; border-radius: 0px 0px 10px 20px; } </style> <div class="container"> <div class="inner_border_box"></div> </div> <div class="container"> <div class="inner_padding_box"></div> </div> <div class="container"> <div class="inner_content_box"></div> </div>