diff --git a/tests/cases/background/size.html b/tests/cases/background/size.html
new file mode 100644
index 0000000..df91b3d
--- /dev/null
+++ b/tests/cases/background/size.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Background size tests</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+    <script type="text/javascript" src="../../test.js"></script>
+    <style>
+        .horizontal div, .vertical div {
+            display: block;
+            background:url("../../assets/image.jpg") center center;
+        }
+
+        .vertical {
+            float: right;
+        }
+
+        .horizontal {
+            float: left;
+        }
+
+        .horizontal div {
+            width: 400px; height: 200px;
+        }
+
+        .vertical div {
+            width: 200px; height: 400px;
+        }
+    </style>
+</head>
+<body>
+
+<div class="horizontal">
+    <div style='background-size: cover;'></div>
+    <div style='background-size: contain;'></div>
+    <div style='background-size: auto 100%;'></div>
+    <div style='background-size: auto;'></div>
+</div>
+
+<div class="vertical">
+    <div style='background-size: cover;'></div>
+    <div style='background-size: contain;'></div>
+    <div style='background-size: auto 100%;'></div>
+    <div style='background-size: auto;'></div>
+</div>
+
+</body>
+</html>
