<style> tags in the Head Code section.To add custom CSS media queries to the Header in Webflow, you can follow these steps to ensure that your website design responds appropriately at different screen sizes.
<style> tags because Webflow requires all custom CSS to be enclosed in these tags.
```css
<style>
@media (max-width: 768px) {
/ Your CSS rules for tablets or smaller screens /
}
@media (max-width: 480px) {
/ Your CSS rules for mobile devices /
}
</style>
```
To add custom CSS media queries in Webflow, navigate to the Custom Code tab within Project Settings and insert your CSS between <style> tags in the Head Code section. Save your changes and publish the site to implement the customized styles across different device sizes effectively.