.ember{position:absolute;bottom:-10px;border-radius:50%;animation:ember-float linear infinite}@keyframes ember-float{0%{transform:translateY(0) translateX(0) scale(1);opacity:0}10%{opacity:.6}50%{transform:translateY(-50vh) translateX(30px) scale(.8)}90%{opacity:.3}to{transform:translateY(-100vh) translateX(-20px) scale(.4);opacity:0}}