* {
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    margin: 0;
    padding: 20px;
    background-color: #f4f6f8;
    color: #333;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

nav {
    background-color: #222;
    padding: 10px 0;
    margin-bottom: 30px;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 0;
    padding: 0;
}

nav a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    margin-bottom: 40px;
}

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

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

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

tr:hover {
    background-color: #e9f1ff;
}

table img {
    max-width: 80px;
    height: auto;
    border-radius: 5px;
}

table a {
    color: #0066cc;
    text-decoration: none;
    font-weight: bold;
}

table a:hover {
    color: #cc0000;
    text-decoration: underline;
}

h2 {
    margin-top: 40px;
}

form {
    background-color: #fff;
    padding: 20px;
    max-width: 400px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

label {
    font-weight: bold;
}

input[type="text"],
textarea {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border-radius: 4px;
    border: 1px solid #ccc;
}

textarea {
    resize: vertical;
    min-height: 60px;
}

input[type="submit"] {
    background-color: #333;
    color: #fff;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 16px;
}

input[type="submit"]:hover {
    background-color: #555;
}

td:last-child,
td:nth-last-child(3) {
    font-size: 14px;
}