h1 {
    color: green;
    font-size: 50px;
}
p {
    color: blue;
    font-size: 30px;
}
button {
        background-color: blue;
        width: 200px;
        font-size: 20px;
        padding: 10px;
        border-radius: 10px;
        color: white;
        text-align: center;
        left: 45%;
        
        position: absolute;
        
      
  }