@keyframes rocket {
    0%,100%{
        left: 20px;
        transform: rotate(0deg);
    }
    10%{
        transform: rotate(30deg);
    }
    20%{
        transform: rotate(30deg);
    }
    50%{
        left: 100%;
        rotate: 30deg;
    }
    60%{
        transform: rotate(-90deg);
    }
    65%,90%{
        transform: rotate(-150deg);
    }
}