body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(to bottom, #4facfe, #00f2fe);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: #fff;
}

.container {
    text-align: center;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    max-width: 400px;
}

h1 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.apk-info {
    margin: 20px 0;
    font-size: 1rem;
}

button {
    background-color: #00f2fe;
    border: none;
    padding: 15px 30px;
    font-size: 1rem;
    border-radius: 10px;
    cursor: pointer;
    color: #000;
    font-weight: bold;
    transition: transform 0.2s, background-color 0.2s;
}

button:hover {
    transform: scale(1.1);
    background-color: #4facfe;
}

.hidden {
    display: none;
}