اقرأ الترباس غارة css show like curtain ملصقات لاستكمال مقتطفات
2行のCSSだけ!カーテンのようなスクロール効果を実装する方法 | amelog
CSS simply realizes the background curtain of pop-up boxes and input boxes, imitating the translucent effect of the navigation block on Apple's official website. | Develop Paper
Adding 2 Videos With 2 Curtains - HTML & CSS - SitePoint Forums | Web Development & Design Community