body{
    background-color:#1d4221;
    color: white;
    font-family: "bai jamjuree", sans-serif ;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 700px;
    margin: 0;
    }
button{
    background-color: #64a712;
    color: white
    font-family: "Bai jamjuree", sans-serif;
}