@keyframes img2{0%{opacity:1;}50%{opacity:1;}55%{opacity:0;}95%{opacity:0;}100%{opacity:1;}}@keyframes img1{0%{opacity:0;}50%{opacity:0;}55%{opacity:1;}95%{opacity:1;}100%{opacity:0;}}x-hero img:nth-child(2){opacity:0;animation:img2 10s infinite}x-hero img:nth-child(1){opacity:0;animation:img1 10s infinite}