body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f0f0;
}

.container {
    background-color: #fff;
    padding: 30px;
    border-radius: 5px;
    text-align: center;
}

h1 {
    margin-bottom: 20px;
}

button {
    padding: 15px 30px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    background-color: #4CAF50;
    color: #fff;
    cursor: pointer;
}

button:hover {
    background-color: #3e8e41;
}