body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

form {
    margin-top: 20px;
    text-align: center;
}

label {
    font-weight: bold;
}

button {
    margin-top: 10px;
    padding: 8px;
    cursor: pointer;
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    margin-top: 5px;
}

.error {
    color: red;
}