<https://www.elegantthemes.com/blog/divi-resources/how-to-create-a-full-screen-slider-with-divi>

Add hws_fullscreen_slider to the css class in the advanced tab of

the module.

/* -- START fullscreen slider -- */
@media only screen and (min-width: 980px) {
.hws_fullscreen_slider .et_pb_slides,
.hws_fullscreen_slider .et_pb_slide,
.hws_fullscreen_slider .et_pb_container {
height: 83vh !important;
}
}
/* -- START fullscreen slider -- */
Code language: CSS (css)