<html>
<head>
<style>
p {
background-color: lightCyan;
width: 300px;
border: solid 3px aquamarine;
padding: 10px;
}
</style>
</head>
<body>
<h2>SwimFit</h2>
<p class="membership">
Start with a free 1-day trial, or be bold and go all in for the monthly membership.
</p>
</body>
</html>]]>Make sure to type padding: 10px;
.