.hero-bg{background-image:var(--desktop-bg);background-position:50%;background-repeat:no-repeat;background-size:cover}@media (max-width:768px){.hero-bg{background-image:var(--mobile-bg)}}
.about-us-serve-bg{background-image:var(--desktop-bg);background-position:50%;background-repeat:no-repeat;background-size:cover}@media (max-width:768px){.about-us-serve-bg{background-image:var(--mobile-bg)}}