Increasing the space between radio buttons

In the example below how do I increase the space between one radio button and another? I want them all to be spaced out and not so crowded together.

<html>
<head>
<title>Quarantine Message List</title>
<script src="scripts/aw.js"></script>
<link href="styles/classic/aw.css" rel="stylesheet"></link>
</head>
<body>
<script>
var obj = new AW.UI.Radio;
obj.setItemText(["Home", "Favorites", "Font size", "Search"]);
obj.setItemCount(4);
obj.setSelectedItems([0]);
document.write(obj);
</script>
</body>
</html>

#radio1 .aw-item-template {margin-bottom: 10px}

or

.aw-ui-radio .aw-item-template {margin-bottom: 10px}

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