body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f9;
}
.container {
    max-width: 500px;
    margin: 0 auto;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
h1 {
    text-align: center;
    margin-bottom: 20px;
}
.form-group {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
}
label {
    margin-bottom: 5px;
    font-weight: bold;
}
input, select, button {
    padding: 12px;
    font-size: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
}
button {
    background-color: #007BFF;
    color: white;
    cursor: pointer;
    margin-top: 10px;
}
button:hover {
    background-color: #0056b3;
}
.table {
    width: 100%;
    margin-top: 20px;
    border-collapse: collapse;
}
.table th, .table td {
    padding: 12px;
    border-bottom: 1px solid #ddd;
    text-align: center;
}
.table th {
    background-color: #007BFF;
    color: white;
}
.action-btn {
    margin: 5px;
    padding: 8px;
    font-size: 0.9rem;
}
.delete {
    background-color: #dc3545;
}
.delete:hover {
    background-color: #c82333;
}
.edit {
    background-color: #ffc107;
}
.edit:hover {
    background-color: #e0a800;
}