How can I add a CSS function recommended by Google Pagespeed Insights in Webflow using custom code?

To add a CSS function recommended by Google Pagespeed Insights in Webflow using custom code, follow these steps:

1. Identify the CSS function: In Google Pagespeed Insights, locate the specific CSS function that is recommended to improve your website's speed and performance. Note down the function name and any additional details provided.

2. Access Webflow Designer: Log in to your Webflow account and navigate to the project where you want to add the custom CSS code.

3. Collection or page level custom code: Determine whether you want to apply the CSS function globally across your entire site or target specific pages or elements. Depending on your preference, you can either add the custom code to the project-level custom code or individual page or collection settings.

4. Project-level custom code: To apply the CSS function globally, go to your project settings by clicking the gear icon in the left sidebar. Select the "Custom code" tab, and scroll down to the "Head Code" or "Footer Code" section. Here, you can add the CSS function using `

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5. Page or collection level custom code: To apply the CSS function to specific pages or collections, open the page or collection within the Webflow Designer. In the top-right corner of the Designer, click the "Page Settings" or "Collection Settings" icon. In the settings panel, select the "Custom code" tab and input your CSS function in the "Head Code" or "Footer Code" section.

6. Insert the CSS function: Insert the CSS function you want to add within the `