This is a VERY simple and minimalistic beamer theme, even reminiscent of marker pens on transparencies!
It mimics the look of the "seminar" package, which can only be used with plain TeX.
There are also some comments and example to show how to customise various elements, e.g. the font and colours.
Our searchable collection of LaTeX examples is a great place to look when you're using a LaTeX package for the first time (or the first time in a while!).
Show off your awesome LaTeX skills by contributing examples to the gallery. You can publish any Overleaf project with a couple of clicks.
New examples of LaTeX packages and techniques are added all the time. Follow us on twitter for the highlights!