body {
    background-color: green;
    justify-content: center;
    display: flex;
    align-items: center;
    height: 100vh;
    font-family: Arial, sans-serif;
}

.container {
    width: 400px;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
}

.container h1 {
    text-align: center;
}

.form-input {
    margin-bottom: 11px;
}

.form-input label {
    display: block;
    margin-bottom: 5px;
}

.form-input input {
    width: 80%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
}

.btn button {
    cursor: pointer;
    background-color: #007BFF;
    transition: background-color 0.4s ease;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 3px;
    font-size: 12px;
}

.guest-card {
    border: 1px solid #ccc;
    padding: 5px;
    margin: 5px 0;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

.btn button:hover {
    background-color: #394b5e;
}

.guest-card h2 {
    margin: 0;
}

.guest-card p {
    margin: 5px 0;
}