body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: 100px auto;
    text-align: center;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0,0,0,0.2);
}

h1 {
    color: #333;
}

button {
    padding: 10px 20px;
    border: none;
    background: blue;
    color: white;
    cursor: pointer;
    border-radius: 5px;
    font-size: 16px;
}

button:hover {
    background: darkblue;
}