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

.form-container {
    max-width: 400px;
    margin: auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 10px;
}

.form-group {
    margin-bottom: 15px;
}

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

.form-group input {
    -moz-appearance: textfield;
    width: calc(100% - 22px);
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

.form-group input[type="number"]::placeholder {
    text-align: left;
}

.form-group input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.form-group button {
    width: 100%;
    padding: 10px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

.form-group button:hover {
    background-color: #218838;
}

.message {
    display: none;
    margin-top: 15px;
    padding: 10px;
    border-radius: 5px;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
}

.error-message {
    color: #721c24;
    margin-bottom: 10px;
}

.note {
    font-size: 12px;
    color: #777;
    margin-top: 10px;
}