I have created a test SSL page at http://kolbys.net/ssl.htm and checked it with:
Apple Safari 11.1
Google Chrome Version 65.0.3325.181 (Official Build) (64-bit)
Microsoft Edge 41.16299.248.0
Microsoft Internet Explorer 11.309.16299.0
Mozilla Firefox 59.0.2 (64-bit)
All browsers listed the site...