style.css

.cityback{
    display:flex;
    flex-direction:row;
}
@keyframes wheel{
    from{
        transform:rotate(0deg);
    }
    to{
        transform:rotate(360deg);
    }
}
.tyre{
    animation-name:wheel;
    animation-duration:.1s;
    animation-fill-mode:forwards;
    animation-iteration-count:infinite;
    position:absolute;
    z-index:1;
    left:471px;
    top: 489px;
}





@keyframes wheel2{
    from{
        transform:rotate(0deg);
    }
    to{
        transform:rotate(360deg);
    }
}
.tyre2{
    animation-name:wheel2;
    animation-duration:.1s;
    animation-fill-mode:forwards;
    animation-iteration-count:infinite;
    position:absolute;
    z-index: 1;
    left:801px;
    top: 491px;
}




.car{
    position:absolute;
    z-index:1;
    left:400px;
    top: 170px;
}





@keyframes city{
    100%{
        transform: translateX(-1400px);
    }
}
.road{
    position: absolute;
    left: 0;
    animation: city 2s linear infinite;
    animation-fill-mode: backwards;
    animation-iteration-count: infinite;
}
@keyframes city1{
    100%{
        transform: translateX(-1400px);
    }
}
.road2{
    position: absolute;
    left:1620px;
    animation: city1 2s linear infinite;
    animation-fill-mode: backwards;
    animation-iteration-count: infinite;
}