Hello,
Thanks for reaching here…
our plugin uses an arrow image and it’s not possible to change it on your website.
We have two suggestions for your needs change.
1. Please go to your Admin Panel->Appearance->Customize->Additional CSS.
You need to not background so please add this CSS in your theme additional CSS section.
.msacwl-common-slider button.slick-prev, .msacwl-common-slider button.slick-next{background-color: rgba(0,158,237,0) !important;}
.msacwl-common-slider button.slick-prev:hover, .msacwl-common-slider button.slick-prev:focus, .msacwl-common-slider button.slick-prev:active, .msacwl-common-slider button.slick-next:hover, .msacwl-common-slider button.slick-next:focus, .msacwl-common-slider button.slick-next:active{background-color:transparent !important;}
OR
1. Please go to your Admin Panel->Appearance->Customize->Additional CSS.
We have change the background within your website color so please add this CSS in your theme additional CSS section.
.msacwl-common-slider button.slick-prev, .msacwl-common-slider button.slick-next{background-color: rgb(227, 29, 25) !important;}
.msacwl-common-slider button.slick-prev:hover, .msacwl-common-slider button.slick-prev:focus, .msacwl-common-slider button.slick-prev:active, .msacwl-common-slider button.slick-next:hover, .msacwl-common-slider button.slick-next:focus, .msacwl-common-slider button.slick-next:active{background-color: rgb(227, 29, 25) !important;}
Please check and let me know if you have anything else.
Thanks,