<head>
    <style>
ul {
list-style-type: square;
        }
ol {
list-style-type: lower-alpha;
        }
    </style>
</head>
<body>
 <ul">
   <li>List item 1</li>
   <li>List item 2</li>
   <li>List item 3</li>
 </ul>
 <ol>
    <li>List item 1</li>
    <li>List item 2</li>
    <li>List item 3</li>
</ol>
</body>
</html>

External CSS

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External JavaScript

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