Try changing all of your translateXand translateYon translate3das follows:
@keyframes travel-x {
0% {transform: translate3d(-10%,0,0);}
80% {transform:translate3d(-45%,0,0);}
100% {transform:translate3d(-45%,0,0);}
}
@keyframes travel-y {
0% {transform: translate3d(0,120%,0);}
80% {transform:translate3d(0,-70%,0);}
100% {transform:translate3d(0,-70%,0);}
}
, translates . translate3d , .
.