Links to Open Login Modal
The easiest way to do this is using the Page Builder, choose the Button block. For action, choose Open Login Modal.
Other
To open the login modal from a custom HTML page:
<ion-button (click)="loginModal()">Login</ion-button>
To open the app login modal from a WordPress page, use a class of .app-login-modal on a link or button:
<a href="#" class="app-login-modal">Login</a> OR <button class="app-login-modal">Login</button>
To open the login modal from a menu item, please click here.