body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: #333;
    color: white;
    padding: 20px;
}

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

.sidebar ul li {
    margin: 20px -10px;
}

.sidebar ul li a {
    color: white;
    text-decoration: none;
}

.main-content {
    flex-grow: 1;
    padding: 20px;
    background-color: #f9f9f9;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table th, table td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: left;
}

table th {
    background-color: #333;
    color: white;
}

form {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

form label {
    margin-bottom: 5px;
    font-weight: bold;
}

form input, form select, form button {
    margin-bottom: 10px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

form button {
    background-color: #333;
    color: white;
    cursor: pointer;
}

form button:hover {
    background-color: #555;
}