What does this code do?

It sets skyblue as the background color outside the div elementIt sets skyblue as the background color of the div elementIt hides the div element that has skyblue as a background color

It sets skyblue as the background color of the div element.

<html>
<head>
<style> div {background-color: skyblue; color: maroon;} </style>
</head>
<body>
  <h2> Clouds: </h2>
  <div>
   <p> Cirrus </p>
   <p> Cumulus </p>
   <p> Stratus </p>
  </div>
</body>
</html>]]>