My approach is to delete the default themes using ftp or your control panel file-manager once you have your site up and running. These themes will not be re-installed when you update WordPress, and will not show up in your update notifications. I usually keep the TwentySixteen theme on the system as this is the … Read more
I found (part) of the css code that controls the height in wp-content/themes/twentyseventeen/style.css. There is code that applies when the admin bar is not visible (typical anonymous user) currently at line 3629 .twentyseventeen-front-page.has-header-image .custom-header-media, .twentyseventeen-front-page.has-header-video .custom-header-media, .home.blog.has-header-image .custom-header-media, .home.blog.has-header-video .custom-header-media { height: 1200px; height: 100vh; max-height: 100%; overflow: hidden; } And code that applies when … Read more