orange;
        }
        #testArea  > div {
            width: 50px !important;
        }
    </style>
</head>
<body>
    <div id="log"></div>
    <div id="testArea"></div>
    <script type="text/javascript">
        "use strict";

        let templates = [
            {
                testName:"Simple substitution test",
                propertyName:"border-spacing",
                expectedValue:"20px 20px",
                style:"--gap: 20px;border-spacing: var(--gap);"
            },
            {
   