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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-round-display
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-round-display')
-rw-r--r--testing/web-platform/tests/css/css-round-display/META.yml3
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-anchor-center-001.html30
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-anchor-center-002.html31
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-anchor-center-003.html32
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-anchor-left-top-001.html30
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-anchor-top-001.html32
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-001.html35
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-002.html35
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-003.html35
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-004.html35
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-005.html35
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-origin-auto-001.html30
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-origin-auto-002.html32
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-origin-center-001.html30
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-origin-left-001.html32
-rw-r--r--testing/web-platform/tests/css/css-round-display/polar-origin-left-bottom-001.html32
16 files changed, 489 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-round-display/META.yml b/testing/web-platform/tests/css/css-round-display/META.yml
new file mode 100644
index 0000000000..bfc6b1d65c
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/META.yml
@@ -0,0 +1,3 @@
+spec: https://drafts.csswg.org/css-round-display/
+suggested_reviewers:
+ - jihyerish
diff --git a/testing/web-platform/tests/css/css-round-display/polar-anchor-center-001.html b/testing/web-platform/tests/css/css-round-display/polar-anchor-center-001.html
new file mode 100644
index 0000000000..2af9546a0c
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-anchor-center-001.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Anchor of the element</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/motion-1/#polar-anchor-property">
+ <meta name="assert" content="Test checks that the representative point of the element specified with 'polar-anchor'.">
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-anchor: center;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the center of a red box is positioned at the upper left corner of the containing block.<br>
+ The element is positioned using Cartesian coordinates and the anchor point is at its center.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-anchor-center-002.html b/testing/web-platform/tests/css/css-round-display/polar-anchor-center-002.html
new file mode 100644
index 0000000000..9648a7b3ac
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-anchor-center-002.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Anchor of the element</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/motion-1/#polar-anchor-property">
+ <meta name="assert" content="Test checks that the representative point of the element specified with 'polar-anchor'.">
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-anchor: center;
+ left: 50px;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the center of a red box is positioned at 50px far from the left edge of the containing block.<br>
+ The element is positioned using Cartesian coordinates and the anchor point is at its center.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-anchor-center-003.html b/testing/web-platform/tests/css/css-round-display/polar-anchor-center-003.html
new file mode 100644
index 0000000000..d8c71e3f26
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-anchor-center-003.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Anchor of the element</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/motion-1/#polar-anchor-property">
+ <meta name="assert" content="Test checks that the representative point of the element specified with 'polar-anchor'.">
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-anchor: center;
+ polar-distance: 0px;
+ polar-angle: 90deg;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the center of a red box is positioned at the center of the containing block.<br>
+ The element is positioned using polar coordinates and the anchor point is at its center.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-anchor-left-top-001.html b/testing/web-platform/tests/css/css-round-display/polar-anchor-left-top-001.html
new file mode 100644
index 0000000000..1e57f041a9
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-anchor-left-top-001.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Anchor of the element</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/motion-1/#polar-anchor-property">
+ <meta name="assert" content="Test checks that the representative point of the element specified with 'polar-anchor'.">
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-anchor: left top;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the upper left corner of a red box is positioned at the upper left corner of the containing block.<br>
+ The element is positioned using Cartesian coordinates and the anchor point is at its upper left corner.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-anchor-top-001.html b/testing/web-platform/tests/css/css-round-display/polar-anchor-top-001.html
new file mode 100644
index 0000000000..8487070b2c
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-anchor-top-001.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Anchor of the element</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/motion-1/#polar-anchor-property">
+ <meta name="assert" content="Test checks that the representative point of the element specified with 'polar-anchor'.">
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-anchor: top;
+ polar-distance: 0px;
+ polar-angle: 90deg;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the center point of the red box's top edge is positioned at the center of the containing block.<br>
+ The element is positioned using polar coordinates and the anchor point is at the center of its top edge.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-001.html b/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-001.html
new file mode 100644
index 0000000000..811a759e76
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-001.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Position an element with 'polar-origin' and 'polar-anchor'</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/motion-1/#motion-paths-overview/">
+ <meta name="assert" content="Test checks that the position of an element specified with 'polar-origin' and 'polar-anchor'.">
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-origin: center;
+ polar-anchor: center;
+ polar-distance: 0px;
+ polar-angle: 90deg;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the center of the red box is positioned at the center of the containing block.<br>
+ The element is positioned using polar coordinates.<br>
+ The origin of coordinates is the center point of the containing block.<br>
+ And the anchor point of the element is its center point.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-002.html b/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-002.html
new file mode 100644
index 0000000000..cb02361b35
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-002.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Position an element with 'polar-origin' and 'polar-anchor'</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/motion-1/#motion-paths-overview/">
+ <meta name="assert" content="Test checks that the position of an element specified with 'polar-origin' and 'polar-anchor'.">
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-origin: center;
+ polar-anchor: left;
+ polar-distance: 0px;
+ polar-angle: 90deg;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the center point of the red box's left edge is positioned at the center of the containing block.<br>
+ The element is positioned using polar coordinates.<br>
+ The origin of coordinates is the center point of the containing block.<br>
+ And the anchor point of the element is the center point of its left edge.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-003.html b/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-003.html
new file mode 100644
index 0000000000..4ccbdd63d6
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-003.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Position an element with 'polar-origin' and 'polar-anchor'</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/motion-1/#motion-paths-overview/">
+ <meta name="assert" content="Test checks that the position of an element specified with 'polar-origin' and 'polar-anchor'.">
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-origin: bottom;
+ polar-anchor: left;
+ polar-distance: 0px;
+ polar-angle: 90deg;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the center point of the red box's left edge is positioned at the center point of the containing block's bottom edge.<br>
+ The element is positioned using polar coordinates.<br>
+ The origin of coordinates is the center point of the containing block's bottom edge.<br>
+ And the anchor point of the element is the center point of its left edge.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-004.html b/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-004.html
new file mode 100644
index 0000000000..89bc44989c
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-004.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Position an element with 'polar-origin' and 'polar-anchor'</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/motion-1/#motion-paths-overview/">
+ <meta name="assert" content="Test checks that the position of an element specified with 'polar-origin' and 'polar-anchor'.">
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-origin: bottom;
+ polar-anchor: left top;
+ polar-distance: 0px;
+ polar-angle: 90deg;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the upper left corner of the red box is positioned at the center point of the containing block's bottom edge.<br>
+ The element is positioned using polar coordinates.<br>
+ The origin of coordinates is the center point of the containing block's bottom edge.<br>
+ And the anchor point of the element is at its upper left corner.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-005.html b/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-005.html
new file mode 100644
index 0000000000..a219f7c57e
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-origin-and-anchor-005.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Position an element with 'polar-origin' and 'polar-anchor'</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/motion-1/#motion-paths-overview/">
+ <meta name="assert" content="Test checks that the position of an element specified with 'polar-origin' and 'polar-anchor'.">
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-origin: right bottom;
+ polar-anchor: left top;
+ polar-distance: 0px;
+ polar-angle: 90deg;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the upper left corner of the red box is positioned at the lower right corner of the containing block's bottom edge.<br>
+ The element is positioned using polar coordinates.<br>
+ The origin of coordinates is at the lower right corner of the containing block.<br>
+ And the anchor point of the element is at its upper left corner.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-origin-auto-001.html b/testing/web-platform/tests/css/css-round-display/polar-origin-auto-001.html
new file mode 100644
index 0000000000..9227948f3b
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-origin-auto-001.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Origin of Coordinates</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/motion-1/#polar-origin-property" />
+ <meta name="assert" content="Test checks that the origin of the coordinate system specified with 'polar-origin'." />
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-origin: auto;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the upper left corner of a red box is positioned at the upper left corner of the containing block.<br>
+ The element is positioned using Cartesian coordinates and the origin of coordinates is the upper left corner of the containing block.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-origin-auto-002.html b/testing/web-platform/tests/css/css-round-display/polar-origin-auto-002.html
new file mode 100644
index 0000000000..6d321253bd
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-origin-auto-002.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Origin of Coordinates</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/motion-1/#polar-origin-property" />
+ <meta name="assert" content="Test checks that the origin of the coordinate system specified with 'polar-origin'." />
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-origin: auto;
+ polar-distance: 0px;
+ polar-angle: 90deg;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the center of a red box is positioned at the center of the containing block.<br>
+ The element is positioned using polar coordinates and the origin of coordinates is the center of the containing block.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-origin-center-001.html b/testing/web-platform/tests/css/css-round-display/polar-origin-center-001.html
new file mode 100644
index 0000000000..0be9a8eca0
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-origin-center-001.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Origin of Coordinates</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/motion-1/#polar-origin-property" />
+ <meta name="assert" content="Test checks that the origin of the coordinate system specified with 'polar-origin'." />
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-origin: center;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the upper left corner of a red box is positioned at the center of the containing block.<br>
+ The element is positioned using Cartesian coordinates and the origin of coordinates is the center of the containing block.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-origin-left-001.html b/testing/web-platform/tests/css/css-round-display/polar-origin-left-001.html
new file mode 100644
index 0000000000..59ad21e310
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-origin-left-001.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Origin of Coordinates</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/2016/WD-css-round-display-1-20160301/#polar-origin-property" />
+ <meta name="assert" content="Test checks that the origin of the coordinate system specified with 'polar-origin'." />
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-origin: left;
+ polar-distance: 0px;
+ polar-angle: 90deg;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the center of a red box is positioned at the center of the containing block's left edge.<br>
+ The element is positioned using polar coordinates and the origin of coordinates is the center of the containing block's left edge.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/css/css-round-display/polar-origin-left-bottom-001.html b/testing/web-platform/tests/css/css-round-display/polar-origin-left-bottom-001.html
new file mode 100644
index 0000000000..7b6770c4a6
--- /dev/null
+++ b/testing/web-platform/tests/css/css-round-display/polar-origin-left-bottom-001.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>CSS Test: Origin of Coordinates</title>
+ <link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
+ <link rel="help" href="https://www.w3.org/TR/2016/WD-css-round-display-1-20160301/#polar-origin-property" />
+ <meta name="assert" content="Test checks that the origin of the coordinate system specified with 'polar-origin'." />
+ <style type="text/css">
+ .container {
+ width: 200px;
+ height: 200px;
+ border: medium solid black;
+ }
+ .item {
+ position: absolute;
+ polar-origin: left bottom;
+ polar-distance: 0px;
+ polar-angle: 90deg;
+ width: 50px;
+ height: 50px;
+ background-color: red;
+ }
+ </style>
+ </head>
+ <body>
+ <p>Test passes if the center of a red box is positioned at the left-side bottom corner of the containing block.<br>
+ The element is positioned using polar coordinates and the origin of coordinates is the left-side bottom corner of the containing block's left edge.</p>
+ <div class="container">
+ <div class="item"></div>
+ </div>
+ </body>
+</html>