.bat {
position: fixed;
top: 180px;
left: 0;
display: flex;
animation-name: across, float;
animation-iteration-count: infinite, infinite;
animation-duration: 11s, 7s;
animation-play-state: running, running;
transform-origin: top;
}
.bat p {
display: inline-block;
margin-bottom: 2px;
margin-top: auto;
margin-right: 20px;
}
@keyframes across {
0% {left: -200px}
100% {left: 2000px; right: -50px}
}
@keyframes float {
0% {transform: translate(0px, 0px)}
50% {transform: translate(0px, -80px)}
100% {transform: translate(0px, 0px)}
}
img {
  -webkit-transform: scaleX(-1);
  transform: scaleX(-1);
}