diff --git a/layout/tools/reftest/reftest-analyzer.xhtml b/layout/tools/reftest/reftest-analyzer.xhtml
index 9133fa0641c6..407158d700f3 100644
--- a/layout/tools/reftest/reftest-analyzer.xhtml
+++ b/layout/tools/reftest/reftest-analyzer.xhtml
@@ -293,7 +293,7 @@ function show_differences(cb) {
     <label><input type="radio" name="which" value="1" onchange="show_image(2)" />Image 2</label>
     <label><input type="checkbox" onchange="show_differences(this)" />Circle differences</label>
     </form>
-    <svg style="position: absolute; left: 300px; top: 50px;" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="800px" height="1000px" viewbox="0 0 800 1000" id="svg">
+    <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="800px" height="1000px" viewbox="0 0 800 1000" id="svg">
       <defs>
 	<filter id="showDifferences" x="0%" y="0%" width="100%" height="100%">
 	  <feImage id="feimage1" result="img1" xlink:href="#image1" />