Change the color property of the h1 element by assembling color: plum;.

<html>
  <head>
<style>
h1 {
color: plum;
}

</style>
  </head>
<body>
  <h1>Mostly Toilets Store</h1>
</body>
</html>]]>

Make sure to pick color followed by : and then plum, ;.