@keyframes plane_moving{0%{top:50%;transform:translateX(-50%);left:50%;opacity:.8}100%{top:20%;transform:translateX(0);right:-1000px;opacity:0}}@keyframes plane_moving2{0%{top:50%;transform:translateX(-50%);left:50%;opacity:.8}100%{top:20%;transform:translateX(0);left:-300px;opacity:0}}