Learn CSS Colors by Building a Set of Colored Markers - Step 21

Tell us what’s happening:

the syntax and everything is correct yet the code isn’t running
.container{
background-color: rgb(0 ,0, 0);
} the code

Your code so far

<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Colored Markers</title>
    <link rel="stylesheet" href="styles.css">
  </head>
  <body>
    <h1>CSS Color Markers</h1>
    <div class="container">
      <div class="marker one">
      </div>
      <div class="marker two">
      </div>
      <div class="marker three">
      </div>
    </div>
  </body>
</html>
/* file: styles.css */
h1 {

/* User Editable Region */

  text-align: center;

.container{
  background-color: rgb(0 ,0, 0);
}

/* User Editable Region */


.marker {
  width: 200px;
  height: 25px;
  margin: 10px auto;
}

.one {
  background-color: red;
}

.two {
  background-color: green;
}

.three {
  background-color: blue;
}

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Challenge Information:

Learn CSS Colors by Building a Set of Colored Markers - Step 21

What happened to the closing curly brace that was at the end of the h1 ruleset above?