diff --git a/src/test/ref/height.css b/src/test/ref/height_compute.css
similarity index 94%
rename from src/test/ref/height.css
rename to src/test/ref/height_compute.css
index 41031e2a517..9e1c7fb9679 100644
--- a/src/test/ref/height.css
+++ b/src/test/ref/height_compute.css
@@ -1,3 +1,4 @@
+body {margin : 0px}
.start {background-color : gray; height : 600px}
.half {background-color : red; height : 50%}
.quarter {background-color : rgb(250, 125, 0); height : 25%}
diff --git a/src/test/ref/height_compute.html b/src/test/ref/height_compute.html
index d74c8c65c0f..c1610bb4d91 100644
--- a/src/test/ref/height_compute.html
+++ b/src/test/ref/height_compute.html
@@ -1,6 +1,6 @@
-
+