body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #1a1a1a;
    color: #fff;
}

header {
    background: linear-gradient(90deg, #ff0000, #000);
    padding: 20px;
    text-align: center;
}

h1.blink {
    font-size: 3em;
    margin: 0;
    text-shadow: 2px 2px 4px #000;
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0.5; }
}

nav {
    background: #333;
    padding: 10px;
    text-align: center;
}

nav a {
    color: #ff0000;
    margin: 0 15px;
    text-decoration: none;
    font-size: 1.2em;
}

nav a:hover {
    color: #fff;
}

section {
    padding: 20px;
    margin: 10px;
    background: #222;
    border-radius: 10px;
}

h2 {
    color: #ff0000;
}

article, .book, .video, .upload {
    background: #333;
    padding: 15px;
    margin: 10px 0;
    border-radius: 5px;
}

a {
    color: #ff0000;
    text-decoration: none;
}

a:hover {
    color: #fff;
}

iframe {
    border: 2px solid #ff0000;
}

.spin {
    animation: spin 5s linear infinite;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

.upload input, .upload button {
    margin: 5px;
    padding: 5px;
    background: #ff0000;
    color: #fff;
    border: none;
    border-radius: 5px;
}

footer {
    background: #111;
    padding: 10px;
    text-align: center;
    position: fixed;
    bottom: 0;
    width: 100%;
}