.cb-slideshow li span { background-image: url(../img/intro-bg04.jpg) } .cb-slideshow li:nth-child(1) span { background-image: url(../img/intro-bg04.jpg) }.cb-slideshow li:nth-child(2) span { background-image: url(../img/intro-bg01.jpg) }.cb-slideshow li:nth-child(3) span { background-image: url(../img/intro-bg06.jpg) }.cb-slideshow li:nth-child(4) span { background-image: url(../img/intro-bg05.jpg) }.cb-slideshow li:nth-child(5) span { background-image: url(../img/intro-bg02.jpg) }.cb-slideshow li:nth-child(6) span { background-image: url(../img/intro-bg03.jpg) }@media (max-width: 768px) { .cb-slideshow li span { background-image: url(../img/intro-mob-bg04.jpg) } .cb-slideshow li:nth-child(1) span { background-image: url(../img/intro-mob-bg04.jpg) }.cb-slideshow li:nth-child(2) span { background-image: url(../img/intro-mob-bg01.jpg) }.cb-slideshow li:nth-child(3) span { background-image: url(../img/intro-mob-bg06.jpg) }.cb-slideshow li:nth-child(4) span { background-image: url(../img/intro-mob-bg05.jpg) }.cb-slideshow li:nth-child(5) span { background-image: url(../img/intro-mob-bg02.jpg) }.cb-slideshow li:nth-child(6) span { background-image: url(../img/intro-mob-bg03.jpg) } }