body {
    font-family: Arial, sans-serif;
    margin: 20px;
    padding: 0;
    background-color: #f4f4f4;
}

h1, h2 {
    text-align: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: white;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 10px;
    text-align: left;
}

th {
    background: #007BFF;
    color: white;
}

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

tr:hover {
    background: #ddd;
}

button {
    background: #dc3545;
    color: white;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
}

button:hover {
    background: #c82333;
}

form {
    text-align: center;
    margin: 20px 0;
}

form label {
    margin-right: 10px;
}

input, select, button {
    padding: 5px;
    margin: 5px;
}