body {
    font-family: Arial, sans-serif;
    background-color: #f8f8f8;
    margin: 20px;
}

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

table {
    width: 80%;
    margin: 0 auto;
    border-collapse: collapse;
}

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

thead {
    background-color: #333;
    color: #fff;
}

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

tbody tr:hover {
    background-color: #d1e7dd;
}

tbody td:hover::before {
    content: "Hovered!";
    color: red;
    font-weight: bold;
    margin-right: 10px;
}