39     static lv_style_t style;  in lv_example_scroll_4()  local
40     lv_style_init(&style);  in lv_example_scroll_4()
41     lv_style_set_width(&style, 4);      /*Width of the scrollbar*/  in lv_example_scroll_4()
42     lv_style_set_pad_right(&style, 5);  /*Space from the parallel side*/  in lv_example_scroll_4()
43     lv_style_set_pad_top(&style, 5);    /*Space from the perpendicular side*/  in lv_example_scroll_4()
45     lv_style_set_radius(&style, 2);  in lv_example_scroll_4()
46     lv_style_set_bg_opa(&style, LV_OPA_70);  in lv_example_scroll_4()
47     lv_style_set_bg_color(&style, lv_palette_main(LV_PALETTE_BLUE));  in lv_example_scroll_4()
48     lv_style_set_border_color(&style, lv_palette_darken(LV_PALETTE_BLUE, 3));  in lv_example_scroll_4()
49     lv_style_set_border_width(&style, 2);  in lv_example_scroll_4()
50     lv_style_set_shadow_width(&style, 8);  in lv_example_scroll_4()
51     lv_style_set_shadow_spread(&style, 2);  in lv_example_scroll_4()
52     lv_style_set_shadow_color(&style, lv_palette_darken(LV_PALETTE_BLUE, 1));  in lv_example_scroll_4()
54     lv_style_set_transition(&style, &trans);  in lv_example_scroll_4()
62     lv_obj_add_style(obj, &style, LV_PART_SCROLLBAR);  in lv_example_scroll_4()