How to add filter to the background image using CSS ? Last Updated : 15 Oct, 2020 Improve Improve Like Article Like Save Share Report The purpose of this article is to learn how to add filters to an image using CSS. The CSS filter property is used to set the visual effect of an element. This property is mostly used in image content. Syntax: filter: none | blur() | brightness() | contrast() | drop-shadow() | grayscale() | hue-rotate() | invert() | opacity() | saturate() | sepia() | url(); Example: HTML <!DOCTYPE html> <html> <head> <style> body { background-image: url( "https://media.geeksforgeeks.org/wp-content/uploads/rk.png"); filter: brightness(90%); filter: grayscale(70%); } </style> </head> <body> <center> <h2> GeeksForGeeks </h2> <h2> How to add a filter to a background image using CSS? </h2> </center> </body> </html> Output: Example 2: HTML <!DOCTYPE html> <html> <head> <style> .darkened-image { filter: brightness(50%); background-image: url( "https://media.geeksforgeeks.org/wp-content/cdn-uploads/20191121162913/s11.png"); height: 94px; width: 120px; } </style> </head> <body> <h1 style="color: green"> GeeksForGeeks </h1> <p> The image below is the normal image </p> <img src= "https://media.geeksforgeeks.org/wp-content/cdn-uploads/20191121162913/s11.png"> <p> The image below is the darkened image: </p> <div class="darkened-image"></div> </body> </html> Output: Supported browsers: Google Chrome Internet Explorer Firefox Opera Safari Like Article Suggest improvement Next How to Fit Background Image to Div using CSS ? Share your thoughts in the comments Add Your Comment Please Login to comment...