g - descriptors cascaded separately");
   window.onload = function(){

    var testStyleSheet = document.styleSheets.item(1);

    /* Initialize an object to store viewport values to be used by the test
       asserts. */
    var viewport = new Object();

    /* An element with the same size as the initial containing block. */
    var testElm = document.getElementById("test");

    if (window.testRunner) {
        viewport.fontSize = parseInt(getComputedStyle(testElm, "").fontSize);
        viewport.initial