Elements on a webpage can have borders around them.
To see how it looks, add the border property.
<head>
<link rel="stylesheet" href="style.css">
</head>
<body>
<h2>Rainforest Online Shop</h2>
<p class="coupon">50% Discount Code: LST3815162342*</p>
<p>This offer is subject to change without any prior notice.</p>
</body>
.coupon {
border: solid;
}
To make the border appear, we set the value to solid.
<head>
<link rel="stylesheet" href="style.css">
</head>
<body>
<h2>Rainforest Online Shop</h2>
<p class="coupon">25% Discount Code: LST38151*</p>
<p>*This offer is subject to change without any prior notice.</p>
</body>
.coupon {
border: solid;
}