Using Templates
Bootstap Templates
You can find a lot of Bootstrap templates for free in the internet. Use the links provided below to explore few templates and try to modify and work with those templates.
Bootstrap 4 examples
Colorlib Bootstrap 4 Templates
Bootstrapmade Templates
Themewagon Bootstrap 4 Templates
Download any of the free template and try to edit the contents of the website.
I'll use the estartup template from mdbootstrap.
You can download the template here or
on Exadata HTML Github repo