<!DOCTYPE html> <html> <meta charset="utf-8"> <title>CSS Flexible Box Layout Test: Test flex container's overflow rect</title> <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com"> <link rel="author" title="Mozilla" href="https://www.mozilla.org/"> <link rel="help" href="https://drafts.csswg.org/css-overflow-3/#scrollable"> <link rel="match" href="../reference/ref-filled-green-100px-square.xht"> <meta name="assert" content="When computing flex container's overflow area, its padding rect is added to flex item's margin-box, not flex item's overflow rect. This test verifies that last part; making sure it's not mistakenly added to the flex container's overflow rect."> <style> .scroll { overflow: auto; width: 100px; height: 100px; background: red; } .flexContainer { display: flex; padding: 25px; background: green; } .flexItem { flex-shrink: 0; width: 30px; height: 30px; margin: 10px; } .flexItemOverflow { width: 65px; height: 65px; } </style> <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> <div class="scroll"> <div class="flexContainer"> <div class="flexItem"> <!-- The item's right and bottom overflow edges should exactly touch the flex container's right bottom left padding edges. --> <div class="flexItemOverflow"></div> </div> </div> </div> </html>