body {
    font-family: Arial, sans-serif;
    padding: 20px;
}

input {
    margin: 5px;
    padding: 5px;
}

button {
    padding: 5px 10px;
    cursor: pointer;
}

.card {
    border: 1px solid #ccc;
    padding: 10px;
    margin: 10px 0;
}