index.html

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Sigmood</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css">
  <link rel="stylesheet" href="stylesheet.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js"></script>

</head>
<body>
        <nav class="navbar navbar-default">
                <div class="container-fluid">
                  <div class="navbar-header">
                    <h1>SIGMOOD</h1>
                  </div>
                </div>
              </nav>
              
        <div class="container" style="background-color:#add3a7; border-radius:.5rem .5rem 0rem 0rem">
            <h3 style="text-align: center">Mood</h3>
        </div>
        <div class="container" style="background-color:#f5ffdd; border-radius:0rem 0rem .5rem .5rem">
                <p>input audio here
                </p>
                <p>input audio here
                    </p>
                    <p>input audio here
                        </p>
        </div>

</body>
</html>