body{
    margin:0;
    background:#000;
    font-family:Arial, sans-serif;

    display:flex;
    flex-direction:column;  /* Add this */
    justify-content:center;
    align-items:center;

    height:80vh;
}
	h1 {
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(132px, 8vw, 148px);
  line-height: 1.05;
  font-weight: 800;
  color: #fff;
  margin: 0;
  margin-bottom:30px;
}

#playButton{

    width:260px;
    height:260px;

    border:none;
    border-radius:50%;

    background:#4CBB17;
    color:white;

    font-size:48px;
    font-weight:bold;

    cursor:pointer;


    transition:all .2s ease;
}

#playButton:active{
    transform:scale(.96);
}