*{
    margin: 0;
    padding: 0;
}


.sky{
    height: 100vh;
    width: 100%;
     background-image: url("background.jpg");
    position: absolute;
   
     background-repeat: no-repeat;   
          
       
}

body{
    overflow: hidden;
}


.trees{
    height: 100vh;
    width: 100%;
    background-image: url("trees.png");
    background-size: cover;
    position: absolute;
    top: -144px; 

}

.track{
    height: 60vh;
    width: 800vw;
    background-image: url("track.png");
    
    background-repeat: repeat-x;
    position: absolute;
    top: 70vh;
    animation: carMove linear 6s infinite;
}

.car{
    height: 100px;
    width: 380px;
    background-image: url(car_body.png);
    background-size: cover;
    background-repeat: repeat-x;
    position: absolute;
    left: 444px;
    bottom: 30vh;
    animation: carShake linear .3s infinite;
     
}



.wheel1 img{
    width: 68px;
    position: relative;
    top: 42px;
    left: 42px;
    animation: wheelRotation linear .13s infinite;
}

.wheel2 img{
     width: 65px;
    position: relative;
    top: -18px;
    left: 235px;
    animation: wheelRotation linear .13s infinite;
}

@keyframes wheelRotation{

    100%{
        transform: rotate(360deg);
    }
}

@keyframes carMove{

    100%{
        transform: translateX(-500VW);
    }
}


@keyframes carShake{
   0%{
    transform: translateY(0px);
   }

   50%{
    transform: translateY(-5px);
   }



    100%{
        transform: translateY(0px);
    }
}