.upper{animation:fadeInUpAndOut 9s}.down{animation:fadeInDownAndOut 9s}@keyframes fadeInUpAndOut{0%{opacity:0;transform:translateY(10px)}25%{opacity:1;transform:translateY(2px)}75%{opacity:1;transform:translateY(2px)}to{opacity:0;transform:translateY(2px)}}@keyframes fadeInDownAndOut{0%{opacity:0;transform:translateY(-4px)}25%{opacity:1;transform:translateY(4px)}75%{opacity:1;transform:translateY(4px)}to{opacity:0;transform:translateY(4px)}}