> ## Documentation Index > Fetch the complete documentation index at: /llms.txt > Use this file to discover all available pages before exploring further. # Organic Light Leak Overlay > Finite CSS light-leak overlay for memory beats and motivated transitions # Organic Light Leak Overlay Finite CSS light-leak overlay for memory beats and motivated transitions **Organic Light Leak Overlay** ```html organic-light-leak-overlay.html

``` Copy npx hyperframes add organic-light-leak-overlay to the clipboard That writes one file: `compositions/organic-light-leak-overlay.html`. ## Add it to your video It runs for 4 seconds at 1920×1080. Paste this into your composition: ```html index.html

``` Move it in time with `data-start`. Put it on a different timeline row with `data-track-index`. See [data attributes](/concepts/data-attributes.md) for the rest. {/* hf:generated-footer */} Tagged `light-leak` `film` `memory` `transition` `overlay` `media-treatment-overlay`. ## Related topics * [Browse the complete Catalog](/catalog.md) * [Add assets and Catalog items in the browser editor](/studio/assets-and-blocks.md) * [Put blocks together into one video](/concepts/compositions.md)