<!DOCTYPE html> <html lang="en"> <head> <title>{{.ServiceName}}</title> </head> <body> <header> <h1>{{.ServiceName}}</h1> </header> <main> <form method="POST" action="/popup"> <input type="hidden" name="origin" value="{{.Origin}}"/> <div> <label for="field_loginname">Login Name:</label> <input type="text" name="loginname" id="field_loginname" required/> </div> <button type="submit">Continue</button> </form> </main> </body> </html>