Hi

Thanks for contacting us. You can use this CSS in your custom.css file

You can choose the image that you want to set.

.major-gradient, .sppb-carousel.milestone-slider .sppb-carousel-pro-text .about-company:before, .sppb-carousel.milestone-slider .sppb-carousel-indicators li.active, .portfolio-modal-popup .sppb-modal-selector i, .sppb-slider-fullwidth-wrapper .sppb-slider-item-wrapper .sppb-slideshow-fullwidth-item .sppb-magnific-popup.sppb-modal-selector i, .simple-variation.sppb-slider-fullwidth-wrapper .sppb-slider-item-wrapper .sppb-slideshow-fullwidth-item .sppb-slideshow-fullwidth-item-bg::after, .sppb-addon-gallery .sppb-gallery li a:before, .sppb-addon-articles .sppb-addon-article .sppb-addon-article-bgimage:before, .sppb-addon-person .sppb-addon-content .sppb-person-image:before, article.item .article-info-wrap .article-info-bg:before, .blog-variation-2 article.item .entry-image.intro-image > a:after, .home-portfolio-modal .sppb-magnific-popup i, .home-portfolio-project-section .sppb-addon-header.title-line-before:before, .home-portfolio-project-section .sppb-addon-header.title-line-before:after, .sp-simpleportfolio.sp-simpleportfolio-view-items .sp-simpleportfolio-items .sp-simpleportfolio-item .sp-simpleportfolio-overlay, .classic-hero-section .sppb-modal-selector.sppb-magnific-popup:before{
background-image: url(wallpapers.com/images/featured/widescreen-background-3ao0esn9qknhdudj.jpg)!important;
 background-size: cover;
 background-repeat: no-repeat;
}

-Regards.

Hi

Is this solved now? If yes, you can then close this post by accepting the answer.