How to Add an Image to a CSS File. Web pages normally add images using the inline HTML "img" tag. CSS coding usually doesn't set an image's source because CSS controls design rather than content.

To add a hidden text to a picture, you can use the Notepad, which is already installed on your computer. You can open an image in Notepad and write the desired text.

CSS (Cascading Style Sheets) files are the ones providing websites with the ability to add style (e.g., fonts, colors, and spacing) to Web documents using a collection of rules. Magecart script ...