style.css

*
{
    margin: 0;
    padding: 0;
}

.hero
{
    height: 100vh;
    width: 100%;
    background-image: url("s.jpg");
    background-size: cover;
    background-position: center;
    position: relative;
    overflow-x: visible;
}
.highway
{
    height: 200px;
    width: 500%;
    display: block;
    background-image: url("road.jpg");
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1;
    animation: highway 5s linear infinite;
}
@keyframes highway {
    100%{
        transform: translateX(-3400px);
    }

}
.city
{
    height: 250px;
    width: 500%;
    display: block;
    background-image: url("city.png");
    position: absolute;
    bottom: 200px;
    left: 0;
    right: 0;
    display: block;
    z-index: 1;
    background-repeat: repeat-x;
    animation: city 25s linear infinite;
}
@keyframes city {
    100%{
        transform: translateX(-1400px);
    }

}
.car
{
    width: 400px;
    left: 40%;
    bottom: 80px;
    transform: translateX(-50%);
    position: absolute;
    z-index: 2;
}
.car img
{
    width: 100%;
    animation: car 1s linear infinite;
}
@keyframes car {
    100%{
        transform: translateY(-2px);
    }
    50%{
        transform: translateY(3px);
    }
    0%{
        transform: translateY(-2px);
    }
}
.wheel
{
    left: 40%;
    bottom: 158px;
    transform: translateX(-50%);
    position: absolute;
    z-index: 2;
}
.wheel img
{
    width: 72px;
    height: 72px;
    animation: wheel 1s linear infinite;
}
@keyframes wheel {
    100%{
        transform: rotate(360deg);
    }

}
.car2
{
    width: 400px;
    left: 80%;
    bottom: 110px;
    transform: translateX(-50%);
    position: absolute;
    z-index: 2;
}
.car2 img
{
    width: 100%;
    animation: car .5s linear infinite;
}
@keyframes car2 {
    100%{
        transform: translateY(-2px);
    }
    50%{
        transform: translateY(3px);
    }
    0%{
        transform: translateY(-2px);
    }
}
.wheel2
{
    left: 80%;
    bottom: 188px;
    transform: translateX(-50%);
    position: absolute;
    z-index: 2;
}
.wheel2 img
{
    width: 72px;
    height: 72px;
    animation: wheel 2s linear infinite;
}
@keyframes wheel2 {
    100%{
        transform: rotate(360deg);
    }

}
.car3
{
    width: 400px;
    left: 1%;
    bottom: 50px;
    transform: translateX(-50%);
    position: absolute;
    z-index: 2;
}
.car3 img
{
    width: 100%;
    animation: car 7s linear infinite;
}
@keyframes car2 {
    100%{
        transform: translateY(-2px);
    }
    50%{
        transform: translateY(3px);
    }
    0%{
        transform: translateY(-2px);
    }
}
.wheel3
{
    left: 1%;
    bottom: 128px;
    transform: translateX(-50%);
    position: absolute;
    z-index: 2;
}
.wheel3 img
{
    width: 72px;
    height: 72px;
    animation: wheel 3s linear infinite;
}
@keyframes wheel3 {
    100%{
        transform: rotate(360deg);
    }

}
.back-wheel
{
    left: -165px;
    position: absolute;
}
.front-wheel
{
    left: 80px;
    position: absolute;
}