Biology - Bigyanbook

/* পুরো সাইট ব্লক করার CSS */ body { overflow: hidden !important; /* স্ক্রল বন্ধ */ } #no-js-overlay { position: fixed !important; z-index: 2147483647 !important; /* সবার উপরে */ top: 0; left: 0; width: 100%; height: 100%; background-color: #121212; /* ডার্ক ব্যাকগ্রাউন্ড */ display: flex; align-items: center; justify-content: center; text-align: center; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; } .no-js-box { background: #1e1e1e; padding: 40px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); border: 2px solid #ff4757; max-width: 500px; margin: 20px; color: #ffffff; } .no-js-icon { font-size: 40px; margin-bottom: 20px; } .no-js-title { font-size: 24px; font-weight: bold; margin-bottom: 15px; color: #ff6b81; } .no-js-text { font-size: 16px; line-height: 1.6; color: #dddddd; margin-bottom: 25px; } .no-js-note { font-size: 14px; color: #aaaaaa; border-top: 1px solid #333; padding-top: 15px; }

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