body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    text-align: center;
    padding: 20px;
}
table {
    width: 80%;
    margin: auto;
    border-collapse: collapse;
    background: white;
}
th, td {
    padding: 10px;
    border: 1px solid #ddd;
}
th {
    background: #007BFF;
    color: white;
}
tr:nth-child(even) {
    background: #f2f2f2;
}
select {
    padding: 5px;
    font-size: 14px;
}
.update-btn {
    padding: 8px 12px;
    font-size: 14px;
    border: none;
    background-color: #28a745;
    color: white;
    cursor: pointer;
    border-radius: 5px;
}
.update-btn:hover {
    background-color: #218838;
}
.back-btn {
    margin-top: 20px;
    padding: 10px 15px;
    font-size: 16px;
    border: none;
    background-color: #dc3545;
    color: white;
    cursor: pointer;
    border-radius: 5px;
    text-decoration: none;
    display: inline-block;
}
.back-btn:hover {
    background-color: #c82333;
}   
button {
    background-color: #007BFF;
    color: white;
    padding: 10px 20px;
    font-size: 16px;
    margin: 10px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
}
button:hover {
    background-color: #0056b3;
}