diff --git a/testsuite/reftests/Makefile.am b/testsuite/reftests/Makefile.am
index 0183508cb1..69ef0cdfce 100644
--- a/testsuite/reftests/Makefile.am
+++ b/testsuite/reftests/Makefile.am
@@ -194,6 +194,9 @@ testdata = \
color-transition.css \
color-transition.ref.ui \
color-transition.ui \
+ css-em-label-size.css \
+ css-em-label-size.ui \
+ css-em-label-size.ref.ui \
css-currentcolor-alpha.css \
css-currentcolor-alpha.ui \
css-currentcolor-alpha.ref.ui \
diff --git a/testsuite/reftests/css-em-label-size.css b/testsuite/reftests/css-em-label-size.css
new file mode 100644
index 0000000000..8859aa2294
--- /dev/null
+++ b/testsuite/reftests/css-em-label-size.css
@@ -0,0 +1,37 @@
+window {
+ -gtk-dpi: 96;
+ font-size: 12px;
+}
+
+.test label:last-child {
+ color: red;
+ font-size: 1em;
+}
+
+.px {
+ font-size: 12px;
+}
+
+.pt {
+ font-size: 12pt;
+}
+
+.in {
+ font-size: 0.25in;
+}
+
+.cm {
+ font-size: 0.635cm; /* quarter inch */
+}
+
+.mm {
+ font-size: 6.35mm; /* quarter inch */
+}
+
+.em {
+ font-size: 1.5em;
+}
+
+.ex {
+ font-size: 2.5ex;
+}
diff --git a/testsuite/reftests/css-em-label-size.ref.ui b/testsuite/reftests/css-em-label-size.ref.ui
new file mode 100644
index 0000000000..d05210dffa
--- /dev/null
+++ b/testsuite/reftests/css-em-label-size.ref.ui
@@ -0,0 +1,382 @@
+
+
+
+
+
+
diff --git a/testsuite/reftests/css-em-label-size.ui b/testsuite/reftests/css-em-label-size.ui
new file mode 100644
index 0000000000..9ff96e4d81
--- /dev/null
+++ b/testsuite/reftests/css-em-label-size.ui
@@ -0,0 +1,357 @@
+
+
+
+
+
+ False
+ popup
+
+
+ True
+ False
+ True
+ 300>
+
+
+ True
+ False
+ px
+ 100>
+
+
+ 0
+ 0
+
+
+
+
+ True
+ False
+ pt
+
+
+ 0
+ 1
+
+
+
+
+ True
+ False
+ in
+
+
+ 0
+ 2
+
+
+
+
+ True
+ False
+ cm
+
+
+ 0
+ 3
+
+
+
+
+ True
+ False
+ mm
+
+
+ 0
+ 4
+
+
+
+
+ True
+ False
+ em
+
+
+ 0
+ 5
+
+
+
+
+ True
+ False
+ ex
+
+
+ 0
+ 6
+
+
+
+
+ True
+ False
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 0
+
+
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 1
+
+
+
+
+
+ 1
+ 0
+
+
+
+
+ True
+ False
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 0
+
+
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 1
+
+
+
+
+
+ 1
+ 1
+
+
+
+
+ True
+ False
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 0
+
+
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 1
+
+
+
+
+
+ 1
+ 2
+
+
+
+
+ True
+ False
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 0
+
+
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 1
+
+
+
+
+
+ 1
+ 3
+
+
+
+
+ True
+ False
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 0
+
+
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 1
+
+
+
+
+
+ 1
+ 4
+
+
+
+
+ True
+ False
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 0
+
+
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 1
+
+
+
+
+
+ 1
+ 5
+
+
+
+
+ True
+ False
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 0
+
+
+
+
+ True
+ False
+ ███
+
+
+ False
+ True
+ 1
+
+
+
+
+
+ 1
+ 6
+
+
+
+
+
+
+