How to disable The Login Button from Header

1. As the first step disable all login modules published in the Module Manager (Joomla Admin).
2. Then in Template Varsita Options/Settings > Custom Code (tab) > Custom CSS add the following style, and save changes:
   

   .sp-my-account, .sp-my-account > li > a {
     display: none; visibility: hidden; pointer-events: none; opacity: 0;}