OS: macOS High Sierra Version 10.13.4
Browser: Chrome Version 66.0.3359.139 (Official Build) (64-bit)
I accessed your site and clicked "Login", but instead of logging in I instead clicked "Home". This toggled the login button to a logout button despite my never signing in.
OS: macOS High Sierra Version 10.13.4 Browser: Chrome Version 66.0.3359.139 (Official Build) (64-bit)
I accessed your site and clicked "Login", but instead of logging in I instead clicked "Home". This toggled the login button to a logout button despite my never signing in.
See before and after images below: