CSS opacity property - W3Schools
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 transparent.
CSS opacity only to background color, not the text on it?
In that case, the only way to add opacity is to modify html. If there was a "background-opacity" property, then no html code modifications would be necessary... The easiest way to do this is with 2 divs, 1 …
How to Make Background Transparent in CSS? - GeeksforGeeks
Sep 3, 2024 · Transparency in CSS can be achieved by setting the opacity level of the element or using the RGBA colors. Transparency can allow you to see through the background of the element to the …
opacity - CSS | MDN - MDN Web Docs
Dec 16, 2025 · To change the opacity of a background only, use the background property with a color value that allows for an alpha channel. For example: When opacity value is set to 0, the element and …
How to Set Background Opacity in CSS - Delft Stack
Feb 2, 2024 · Set the background-color as #cc33ff and opacity value 0.4 after selecting the transparent class in CSS. If we want the heading and its background color to get more transparent, we can …
Demystifying Background Color Opacity in CSS: A Complete Expert …
Oct 30, 2023 · Opacity makes the entire element and contents transparent, while RGBA only affects the background color by default. Opacity elements fade to black at lower opacities, whereas RGBA …
How to Set Background Color Opacity without Affecting Text in CSS ...
Jul 11, 2025 · Setting the opacity only on the background color in CSS can be achieved using HSLA color values. This method allows the background to be semi-transparent while keeping the text or …
How to Change the Background Opacity of an Element in CSS?
Jul 6, 2025 · There are multiple ways to change the background opacity such as opacity property, rgba () colors, and background-blend-mode. Let’s discuss these methods in this blog.
CSS Backgrounds - W3Schools
In addition to RGB, you can use an RGB color value with an alpha channel (RGB A) - which specifies the opacity for a color. An RGBA color value is specified with: rgba (red, green, blue, alpha). The …
How to Adjust Background Image Opacity in CSS - DigitalOcean
Apr 14, 2025 · Learn how to change background image opacity in CSS using opacity, RGBA, and overlays. Find the best method for your design and avoid common mistakes.