<!DOCTYPE html> | |
<meta charset="UTF-8"> | |
<title>CSS Containment Test: 'contain: paint' and clipping descendants at padding edge</title> | |
<link rel="author" title="GĂ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> | |
<link rel="help" href="https://www.w3.org/TR/css-contain-1/#containment-paint"> | |
<link rel="match" href="../reference/ref-filled-green-100px-square.xht"> | |
<meta content="This test checks that the paint of the descendant (a red square image) and its geometry is clipped to the padding edge of the element's principal box." name="assert"> | |
<!-- | |
contain-paint-clip-011: content overflows horizontally, principal box has no padding | |
contain-paint-clip-012: content overflows vertically, principal box has no padding | |
contain-paint-clip-013: content overflows horizontally, principal box has horizontal padding | |
contain-paint-clip-014: content overflows vertically, principal box has vertical padding | |
contain-paint-clip-015: content overflow horizontally, principal box has horizontal padding and corner clipping is involved | |
contain-paint-clip-016: content overflow vertically, principal box has vertical padding and corner clipping is involved | |
contain-paint-clip-017: principal box has horizontal and vertical padding, generated ::before content is inside top-right corner | |
contain-paint-clip-018: principal box has horizontal and vertical padding, generated ::after content is inside top-left corner | |
--> | |
<style> | |
div | |
{ | |
height: 100px; | |
width: 100px; | |
} | |
div#red-overlapped-test | |
{ | |
background-color: red; | |
contain: paint; | |
} | |
img | |
{ | |
vertical-align: bottom; | |
} | |
div#green-overlapping-reference | |
{ | |
background-color: green; | |
bottom: 100px; | |
position: relative; | |
} | |
</style> | |
<p>Test passes if there is a filled green square and <strong>no red</strong>. | |
<div id="red-overlapped-test"><img src="support/swatch-red.png" width="100" height="200" alt="Image download support must be enabled"></div> | |
<div id="green-overlapping-reference"></div> |