h1 {
    font-family:Arial, Helvetica, sans-serif;
    color:purple;
    font-size: 25px;
    text-align: center;
    
}
p {
    font-family:sans-serif;
    color:teal;
    font-size: 15px;
    text-align: center;
}

.header {
    background:yellow;
    font-size: 20px;
    text-align: center;
}