Site Administration → Appearance → Themes → Edwiser RemUI → Login Page Settings.
Enable / Disable Login Pop-up
You can disable login pop-up in the site home by clicking on this checkbox.
Upload Background Image
You can upload a background image of your choice using this option.
Login Page Layout
Choose where to display the login card on your login page. You can choose between left, right, and center (Only available in Moodle 4.0 and above). Here is an example of right login card.
Show Logo on Login page
If enabled, Brand logo will be visible on right sidebar above the login form.
Here you can text you want to display on the login page. For example you add login related instructions for your users here.
Signup description color
Here you can select the text color of your choice which will be reflected on the Login/Signup panel.
Enable / Disable Social Login in the Pop-up
Follow these steps to enable social login on your Moodle site,
Go to Site Administration > Server > OAuth2 Services > Setup Service Providers
Click on any Service that you want to implement and you will be redirected to a page wherein you could implement the setup,
Click on the first link just in case you need detailed information about how to set up this service.