body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}
form {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
input {
    display: block;
    margin: 10px 0;
    padding: 5px;
    width: 200px;
}
button {
    background-color: #4CAF50;
    color: white;
    padding: 10px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}