body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

h1, h2 {
    color: #333;
    margin-bottom: 20px;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 10px 0;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

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

form {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    width: 300px;
    margin-top: 20px;
}

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

input[type="text"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

table {
    width: 80%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

table th, table td {
    padding: 12px 15px;
    border: 1px solid #ddd;
    text-align: center;
}

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

table tr:nth-child(even) {
    background-color: #f2f2f2;
}

table tr:hover {
    background-color: #ddd;
}