body {
    font-family: Arial, sans-serif;
    background-color: #f4f6f9;
    margin: 20px;
}

h1 {
    color: #333;
    text-align: center;
}

table {
    border-collapse: collapse;
    width: 80%;
    margin: 20px auto;
    background: white;
}

th, td {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: center;
}

th {
    background-color: #4CAF50;
    color: white;
}

tr:hover {
    background-color: #f1f1f1;
}

input, button {
    margin: 10px;
    padding: 8px;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background-color: #45a049;
}