body { 
    font-family: sans-serif; 
    text-align: center; 
    padding: 50px; 
    background: #f4f4f9; 
}
button { 
    background: #635bff; 
    color: white; 
    padding: 15px 30px; 
    border: none; 
    border-radius: 5px; 
    cursor: pointer; 
    font-size: 16px; 
}
button:hover { 
    background: #5469d4; 
}