section {
    width: 100%;
    height: 400px;
  
    border: 1px dashed gainsboro;
    padding: 20px;
  
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  } 
  
  section > div {
    margin: 20px;
    font-size: large;
  }
  
  #msg {
    font-size: xx-larger;
    font-weight: bold;
    color: blue;
  }