@keyframes slideShow{0%{opacity:0;transform:scale(1)}5%{opacity:1}25%{opacity:1}30%{opacity:0;transform:scale(1.1)}to{opacity:0}}.bg-slide{position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:center;opacity:0;z-index:-1;animation:slideShow 20s infinite}.bg-slide:nth-child(1){animation-delay:0s}.bg-slide:nth-child(2){animation-delay:5s}.bg-slide:nth-child(3){animation-delay:10s}.bg-slide:nth-child(4){animation-delay:15s}