body {
font-family: Arial, sans-serif;
background-color: #f2f2f2;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
}
.container {
background-color: #fff;
padding: 20px;
border-radius: 10px;
box-shadow: 0 0 10px rgba(0,0,0,0.1);
text-align: center;
}
button {
background-color: #4CAF50;
color: white;
border: none;
padding: 10px 20px;
border-radius: 5px;
cursor: pointer;
font-size: 16px;
}
button:hover {
background-color: #45a049;
}
.numbers {
margin-top: 20px;
font-size: 24px;
letter-spacing: 5px;
}