body {
    font-family: Arial, sans-serif;
    padding: 20px;
    background-color: #f4f4f4;
}

.form-container {
    max-width: 400px;
    margin: auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background: #fff;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.1);
}

input {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

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

button:hover {
    background-color: #218838;
}

.success {
    color: green;
    margin-top: 10px;
}

.error {
    color: red;
    margin-top: 10px;
}

h2 {
    text-align: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.1);
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

th {
    background-color: #28a745;
    color: white;
}