* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: Arial, sans-serif;
            background-color: #0d0d0d;
            color: #fff;
        }
        header {
            background: linear-gradient(90deg, #ff0099, #ff6600);
            padding: 20px;
            text-align: center;
        }
        header h1 {
            font-size: 2.5rem;
        }
        nav {
            background-color: #1a1a1a;
            display: flex;
            justify-content: center;
            gap: 20px;
            padding: 15px;
        }
        nav a {
            color: #fff;
            text-decoration: none;
            font-weight: bold;
            transition: color 0.3s;
        }
        nav a:hover {
            color: #ff6600;
        }
        .banner {
            height: 300px;
            background: url('https://via.placeholder.com/1200x300/ff6600/ffffff?text=Krolik9+Banner') no-repeat center/cover;
        }
        .content {
            padding: 20px;
            max-width: 1000px;
            margin: auto;
        }
        .video-card {
            background-color: #1a1a1a;
            padding: 15px;
            margin-bottom: 20px;
            border-radius: 10px;
            transition: transform 0.3s;
        }
        .video-card:hover {
            transform: scale(1.02);
        }
        .video-card iframe {
            width: 100%;
            height: 315px;
            border-radius: 10px;
        }
        footer {
            background-color: #111;
            text-align: center;
            padding: 15px;
            font-size: 0.9rem;
            color: #888;
        }