Display grid

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Display grid</title>
  <style>
    .parent {
      display: grid;
      place-items: center;
      border: 5px solid red;
      width: 600px;
      height: 100px;
      float: right;
    }

    .child {
      text-align: center;
      width: 400px;
      background-color: red;
      color: white;
      font-family: verdana;
      padding: 5px 0;
    }

     a {
      position: absolute;
      text-decoration: none;
      font-size: 20px;
      font-family: verdana;
      color: white;
      background-color: red;
      padding: 5px 20px;
      line-height: 50px;
    }

  </style>
</head>

<body>

    <a href='https://www.youtube.com/channel/UCI875fP1d6RdkZje7R-9ieQ'>YouTube Channel</a>

  <div class='parent'>
    <p class='child'>I am inside a DIV with "float right". But I'm centered with "display grid".</p>
  </div>

</body>
</htm>