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 content behind it. This effect is commonly used in web design to create overlays, semi-transparent buttons, or layered content with varying levels of visibility.. To set a transparent background color in CSS, you can use the RGBA color model or the HSLA color model. Both models allow you to define the transparency level of the background color.
![How to Create CSS Blurred and Opacity(Transparent) Background[CODE] 22bulbjungle](https://22bulbjungle-153fe.kxcdn.com/wp-content/uploads/2021/04/css-positioning-1024x576.png "How to Create CSS Blurred and Opacity(Transparent) Background[CODE] 22bulbjungle")
I want to make the list menu's background disappear by using opacity, without affecting the font. Is it possible with CSS3?. I'm not using CSS3. So I can't use opacity or filter attributes. Without using these attributes how can I make the background-color transparent of a div? It should be kind of the text box example in this link. Here the text box background color is transparent. I want to make the same, but without using the above mentioned attributes.