CSS opacity property
https://www.w3schools.com/cssref/css3_pr_opacity.asp
The opacity property sets the opacity level for an element. The opacity-level describes the transparency-level, where 1 is not transparent at all, 0.5 is 50% see-through, and 0 is completely...
Opacity (optics) - Wikipedia
https://en.wikipedia.org/wiki/Opacity_(optics)
Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light. In radiative transfer, it describes the absorption and scattering of radiation in a medium, such as a plasma, dielectric, shielding material, glass, etc.
opacity | CSS-Tricks
https://css-tricks.com/almanac/properties/o/opacity/
Opacity has a default initial value of 1 (100% opaque). Opacity is not inherited, but because the parent has opacity that applies to everything within it. You cannot make a child element less transparent...
css - What is the difference between opacity and that... - Stack Overflow
https://stackoverflow.com/questions/14251511/what-is-the-difference-between-opacity-and-that-through-alpha-channel-rgba
Opacity : The opacity property sets the opacity level for an element.(Setting The opacity-level describes the transparency-level, where 1 is not transparant at all, 0.5 is 50% see-through, and 0 is...
CSS Opacity that Works in All Browsers - Tutorial Republic
https://www.tutorialrepublic.com/css-tutorial/css-opacity.php
Cross Browser Opacity. Opacity is now a part of the CSS3 specifications, but it was present for a long time. However, older browsers have different ways of controlling the opacity or transparency.
Opacity - Tailwind CSS
https://tailwindcss.com/docs/opacity
Opacity. Utilities for controlling the opacity of an element.
CSS Opacity Property and Image Opacity Explained
https://www.freecodecamp.org/news/css-opacity/
The opacity property controls how opaque an element is on a scale of 0.0 to 1.0. The lower the value, the more transparent the element is. You can choose up to what extent you want to make the element...