<h1>Welcome</h1>

h1 {
    font-family: sans-serif;
    color: white;
    background-color: blue;
    display: inline-block;
    margin: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    box-shadow: 10px 10px 10px springgreen;
  }