CSS Test Reference
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+Should see a green square centered and at the bottom of the blue square.
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diff --git a/css/css-align/content-distribution/place-content-shorthand-007.html b/css/css-align/content-distribution/place-content-shorthand-007.html
new file mode 100644
index 00000000000000..be954c9712189d
--- /dev/null
+++ b/css/css-align/content-distribution/place-content-shorthand-007.html
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+CSS Box Alignment: place-content shorthand with fallback
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+Should see a green square centered and at the bottom of the blue square.
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diff --git a/css/css-ui/text-overflow-026-ref.html b/css/css-ui/text-overflow-026-ref.html
new file mode 100644
index 00000000000000..f2db8c747fa8ac
--- /dev/null
+++ b/css/css-ui/text-overflow-026-ref.html
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+ Reference: text-overflow with leading white-space
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+The test PASS if all of the following are true:
+1. there are no red areas
+2. the first two blocks display "PASS" but no ellipsis
+3. the last three blocks display an ellipsis
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+ PASS PASS PASS PASS PASS
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+ PASS PASS PASS PASS PASS
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+ …
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+ …
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+ a…
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diff --git a/css/css-ui/text-overflow-026.html b/css/css-ui/text-overflow-026.html
new file mode 100644
index 00000000000000..2d1aa57cc8923f
--- /dev/null
+++ b/css/css-ui/text-overflow-026.html
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+ Test: text-overflow with leading white-space
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+The test PASS if all of the following are true:
+1. there are no red areas
+2. the first two blocks display "PASS" but no ellipsis
+3. the last three blocks display an ellipsis
+