1 files changed, 35 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-box/margin-trim/grid-inline-start-ref.html b/testing/web-platform/tests/css/css-box/margin-trim/grid-inline-start-ref.html
new file mode 100644
index 0000000000..c35b1f5fe6
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/margin-trim/grid-inline-start-ref.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>margin-trim: grid-inline-start</title>
+<link rel="author" title="Sammy Gill" href="mailto:sammy.gill@apple.com">
+<link rel="help" href="https://drafts.csswg.org/css-box-4/#margin-trim-grid">
+<meta name="assert" content="inline-start should trim inline-start margins of items on first column">
+<style>
+grid {
+    display: inline-grid;
+    border: 1px solid black;
+    grid-template-columns: auto auto;
+    margin-trim: inline-start;
+}
+
+item {
+    display: block;
+    background-color: green;
+    width: 50px;
+    height: 50px;
+}
+.inline-start-margin {
+    margin-inline-start: 10px;
+}
+</style>
+</head>
+<body>
+<grid>
+<item></item>
+<item class="inline-start-margin"></item>
+<item></item>
+<item class="inline-start-margin"></item>
+</grid>
+</body>
+</html>