This is port 80 for clear-text connections and 443 for encrypted (TLS) connections.
when using a dark background for presentations you should use bright colors to contrast with it
this makes the informations much easier to see and read for example white text on black background
3-D prosthetics would most likely be the answer, also, don’t copy links it’s most likely not the answer anyways.
Vision problems, also generally slowed movements/reaction time
