Change the border of this online coupon to green.

<html>
<head>
<style>
.coupon {
border: solid green;}
</style>
</head>
<body>

<h2>Rainforrest Online Shop</h2>

<p class="coupon">25% Discount Code: LST38151*</p>

<p>*This offer is subject to change without any prior notice.</p>

</body>
</html>]]>

Make sure to pick border followed by : and then green, ;.