@media screen and (min-width: 1600px) {

}

@media screen and (max-width: 1366px) {

}

@media screen and (max-width: 1200px) {

}

@media screen and (max-width: 1024px) {

}

@media screen and (max-width: 920px) {

}

@media screen and (max-width: 680px) {

}

@media screen and (max-width: 500px) {
    .g_slider_img .slider-nav{
        width: 80%;
    }
}