I found code for a scrolling looping slideshow that I like but I can't get the div's to center. The div's seem to be left aligned with more space on the right side of the screen than left; this is evident on my 1366px monitor but much more obvious on a 1920px monitor where there is a lot of blank space on the right side of the screen. I have assigned display:flex to the parent and nested containers and center to align-items and justify-content, but the 2 main div's ("slider" and "wrapper_slider_text") are not centering. If anyone can help, I'd be very grateful. Thanks.
<!DOCTYPE HTM