<!DOCTYPE html>
<html>
<head>
    <title>Highlight priority attribute painting</title>
    <style>
    #green-highlight {
        background-color: green;
    }
    .yellow-highlight {
        background-color: yellow;
    }
    .blue-highlight {
        background-color: blue;
    }
    </style>
</head>
<body>
    <span id="green-highlight">Green</span>
    <span class="yellow-highlight">Yellow</span>
    <span class="blue-highlight">Blue</span>
    <span class="yellow-highlight">Yellow</span><span class="blue-highlight">-Blue</span>
</body>
</html>
