ul.slider{background:gray;height:100%;width:100%;position:fixed;top:0;left:0;background-position:center;background-repeat:no-repeat;background-size:cover;list-style-type:none;z-index:-10}.slider li{position:absolute;top:0;left:0;width:100%;height:100%;background-position:center;background-repeat:no-repeat;background-size:cover;animation:slider 40s linear infinite}.slider .img1{animation-delay:10s}.slider .img2{animation-delay:20s}.slider .img3{animation-delay:30s}@keyframes slider{0%{opacity:0;animation-timing-function:ease-in}10%{opacity:1;animation-timing-function:ease-out}25%{opacity:1;transform:scale(1)}50%{opacity:0;transform:scale(2)}to{opacity:0}}.flecha{flex-basis:50%;align-self:stretch;clip-path:polygon(75% 0%,100% 50%,75% 100%,0% 100%,25% 50%,0% 0%);background:#005ed480;display:flex;align-items:center;justify-content:center}@media(max-width:768px){.movil-flecha{order:1;flex-basis:100%;align-items:flex-end;padding-bottom:40px;clip-path:polygon(50% 0%,0% 100%,100% 100%)}}.caja{background:#0000004d;margin-left:10px;border-radius:8px}