Yes, Webflow does support the backdrop blur filter, which is a CSS property used to apply a blur effect to the background of an element. However, it's important to note that the backdrop blur filter is not supported in all browsers and may have limited support in older browsers.
If you are experiencing issues with the backdrop blur filter not working on the live site, there are a few potential workarounds you can consider:
1. Check browser compatibility: Verify if the browser being used to view the site supports the backdrop blur filter. You can refer to Can I Use (caniuse.com) to check the browser compatibility of CSS properties and features.
2. Use a fallback option: Consider using a fallback option for browsers that do not support the backdrop blur filter. You can use a solid color or a gradient background instead of relying solely on the blur effect. This way, even if the backdrop blur effect doesn't work, the design will still look visually appealing.
3. Use image editing software: If you have a specific image that you want to apply the backdrop blur filter to, but it's not working on the live site, you can try using image editing software (like Photoshop or Sketch) to manually apply the blur effect to the image. Once the image is blurred, you can upload it to your Webflow project as a background image.
4. Consider alternatives: If the backdrop blur filter is essential for your design and you want consistent cross-browser support, you might need to consider alternative solutions. One option is to use a JavaScript library, such as StackBlur or Blur.js, to simulate the backdrop blur effect. These libraries apply blur effects to elements dynamically, allowing you more control and wider browser support.
Remember, when using any workaround, it's crucial to test and preview your design changes across different browsers and devices to ensure a consistent experience for all users.