.hero
{
    height: 100vh;
    width: 100%;
    background-image: url(https://images.unsplash.com/photo-1517639493569-5666a7b2f494?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=634&q=80);
    background-size: cover;
    background-position: center;
    position: relative;
    overflow-x: hidden;
}
.highway
{
    height: 200px;
    width: 500%;
    display: block;
    background-image: url(https://us.123rf.com/450wm/andreykuzmin/andreykuzmin1605/andreykuzmin160500066/56495798-asphalt-highway-road-marks-top-view.jpg?ver=6);
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1;
    background-repeat: repeat-x;
    animation: highway 5s linear infinite;
}
@keyframes highway
{
    100%
    {
        transform: translateX(-3400px);
    }
}
.city
{
    height: 900px;
    width: 500%;
    background-image: url(https://i.pinimg.com/originals/03/42/f0/0342f0d771ed35ab0cf65fe58e5293ff.png);
    position: absolute;
    bottom: 200px;
    left: 0;
    right: 0;
    display: block;
    z-index: 1;
    background-repeat: repeat-x;
    animation: city 20s linear infinite;
}
@keyframes city
{
    100%
    {
        transform: translateX(-1400px);
    }
}

.flower
{
    height: 301px;
    width: 500%;
    background-image: url(https://amberry.co.uk/wp/wp-content/uploads/2017/08/daisy-grass-am-1.png);
    position: absolute;
    bottom: 200px;
    left: 0;
    right: 0;
    display: block;
    z-index: 1;
    background-repeat: repeat-x;
    animation: city 20s linear infinite;
}
@keyframes flower
{
    100%
    {
        transform: translateX(-1400px);
    }
}

.car
{
    width: 500px;
    left: 50%;
    bottom: 100px;
    transform: translateX(-50%);
    position: absolute;
    z-index: 2;
}
.car img
{
    width: 100%;
    animation: car 1s linear infinite;
}
@keyframes car
{
    100%
    {
        transform: translateY(-1px);
    }
    50%
    {
        transform: translateY(-1px);
    }
    0%
    {
        transform: translateY(-1px);
    }
}
.wheel 
{
    left: 50%;
    bottom: 179px;
    transform: translateX(-50%);
    position: absolute;
    z-index: 2;
}
.wheel img
{
    width: 72px;
    height: 72px;
    animation: wheel 1s linear infinite;
}
.back-wheel
{
    left: -165px;
    position: absolute;
}
.front-wheel
{
    left: 90px;
    position: absolute;
}
@keyframes wheel
{
    100%
    {
        transform: rotate(360deg);
    }
}