body {
    background-color: black;
    color: white;
    font-family: Arial, sans-serif;
}

h1, h2 {
    text-align: center;
}

.logo img {
    display: block;
    margin: 0 auto;
    width: 150px;
}

.login-form, .product-form, .admin-actions {
    max-width: 400px;
    margin: 20px auto;
    padding: 20px;
    border: 1px solid white;
    border-radius: 5px;
}

input {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    background-color: #333;
    color: white;
    border: 1px solid #555;
}

button {
    padding: 10px 20px;
    background-color: #555;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #777;
}

.admin-actions a {
    color: white;
    text-decoration: none;
    background-color: #444;
    padding: 10px;
    display: block;
    text-align: center;
    margin: 10px auto;
}

.admin-actions a:hover {
    background-color: #666;
}