body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(45deg, #1a1a1a, #333333);
    color: white;
    text-align: center;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background-color: rgba(0, 0, 0, 0.7);
    padding: 20px;
    text-align: center;
}

header .logo img {
    width: 150px;
}

nav ul {
    list-style: none;
    padding: 0;
    text-align: center;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: #66ff66;
    text-decoration: none;
    font-size: 18px;
    padding: 10px;
    transition: background-color 0.3s ease;
}

nav ul li a:hover {
    background-color: #4CAF50;
    border-radius: 5px;
}

.tab-content {
    display: none;
    padding: 50px;
    margin: 20px;
    border-radius: 10px;
    background-color: rgba(0, 0, 0, 0.7);
}

.screenshot-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}

.screenshot-item {
    max-width: 600px;
    margin-bottom: 20px;
}

.screenshot-item img {
    width: 100%;
    max-width: 500px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.3);
}

button {
    background-color: #66ff66;
    color: #1a1a1a;
    font-size: 18px;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button a {
    color: #1a1a1a;
    text-decoration: none;
}

button:hover {
    background-color: #55cc55;
}

footer {
    background-color: rgba(0, 0, 0, 0.7);
    text-align: center;
    padding: 10px;
    color: #ccc;
}

a {
    color: #66ff66;
}

a:hover {
    text-decoration: underline;
}