Jepp, the time of Javascript for round corners is over (maybe if you really need for an outdated IE8). CSS rules here as with nearly every other transformation that's possible today. As fallback use SVG transform.
I was hoping to find a solution to my problem:-(( .Because I do not work for me too
Bootstrap-Carousel, or I do not know how to use
Thank you for answers. May 31st December be the end of your sorrows and 1st January 2016 be the beginning of your joys. Happy New year.
Bootstrap carousel (with data options to set indicators, positions, prev/next) or slick carousel — I have realised working and flexible solutions for several libs.