First, Find the current CSS for the site.
Go to the home page.Right-click > "View page source."Search for "getcustomcss."Click on that link.The link will open in a new window.You can see the site's current CSS (Cascading Style Sheet).Right-click > "Save As" (to download it)
Open/edit the current CSS (Cascading Style Sheet) using "Notepad."
Second, Upload the new CSS for the site.
To change or upload, log in to your backend.
On the left bar, click "Administration" > "Settings" > "Appearance" > "Choose File" > "Upload."
Lastly, Refresh your website and check your changes.
If you are having issues or unsure how to change CSS, reach out to us, and we will help you change it.