# Theme Options

#### Configurable Options

To access the configurable options for Theme Lambda go to Administration > Site Administration > Appearance > Themes > Theme-Lambda.

### Login and Navigation Settings Page

#### Additional Login Link

Here you can choose to show an additional link at the login form of the theme:

1. None
2. Link to the Moodle "Create new account" page
3. Link to the Moodle "Forgotten your username or password?" page
4. Link to the Moodle login page

Please note:
You have to enable a self-registration authentication method for your Moodle site if you want to use the Moodle "Create new account" page so that your users can create their own accounts.
See also: Settings in Moodle: Self registration

#### Custom Login Link URL

Here you can enter a custom URL for your additional link at the login form. This will override the setting from the dropdown.

#### Custom Login Link Text

Here you can enter a custom text for your additional link at the login form. This will override the setting from the dropdown.

#### Oauth2

Mark the checkbox to use the Moodle Oauth2 authentication plugin instead of the default login form.

Please note:
You have to configure this authentication method at the general Moodle settings first.

- For Moodle 2.5 - 3.2 you have to install the latest version of this additional plugin first from the Moodle plugins directory. This plugin allows your users to sign-in with a Google / Facebook / Github / Linkedin / Windows Live / VK / Battle.net account. The first time a user signs in, a new account is created: Download the plugin at the Moodle plugins directory
- Starting from Moodle 3.3, Oauth2 is alreay implemented in the Moodle core. To use OAuth 2 authentication, an administrator must first create the required OAuth 2 services: OAuth 2 authentication

#### Custom Login Page

Mark the checkbox to display a customized version of the default Moodle login page:

##### Custom Login Page - setting 'No'

##### Custom Login Page - setting 'Yes'

The instructions shown in the screenshot at the right "Is this your first time here?" section can be defined via the general Moodle authentication settings at Administration > Site administration > Plugins > Authentication > Manage authentication.
See also: Settings in Moodle: Login Instructions

#### Hide breadcrumb

Hide the Moodle breadcrumb navigation for non-logged in and guest users?

#### Shadow Effect

Use a shadow effect for the Moodle custom menu bar and the slideshow?

#### MyCourses dropdown menu

Shows the enrolled courses for a user as a dropdown entry in the Custom Menu.

Note: This menu entry will only be visible after a successful login.