.container_b{
    width: 100%;
    overflow: hidden;
    height: 80vh;
    display:flex;
    justify-content: center;
    align-items: center;
}


.slider{
    height: 125vh;
    width: 100vw;
    right: 5vb;
    display: flex;
    perspective: 1000px;
    position: relative;
    align-items: center;
}


.box1{
    background-image: url(vehicle_images/autovehicle.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
}


.box2{
    background: url(vehicle_images/irisvehicle.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
}


.box3{
    background: url(vehicle_images/carvehicle.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
}


.box4{
    background: url(vehicle_images/sevenseatercar.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
}


.box5{
    background: url(vehicle_images/autogoodsvehicle.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
}


.box6{
    background: url(vehicle_images/travellervehicles.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
}

.box7{
    background: url(vehicle_images/jcbvehicle.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
}


.box8{
    background: url(vehicle_images/cranevehicle.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
}


.box9{
    background: url(vehicle_images/pickupvehicle.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
}


.box10{
    background: url(vehicle_images/electricforklift.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
}



.slider [class*="box"]{
    overflow: hidden;
    border-radius: 20px;
    transition: all 5s cubic-bezier(0.68,0.0, 0.32, 1.6);
    position: absolute;
}

.slider [class*="box"]:nth-child(7),
.slider [class*="box"]:nth-child(7){
    width: 100vh;
    height: 60vh;
    transform: scale(0.3) translate(-50%, -50%);
    top: 20%;
    z-index: 1;
}




.slider [class*="box"]:nth-child(6){
    width: 100vh;
    height: 60vh;
    transform: scale(0.4) translate(-50%, -50%);
    top: 10%;
    z-index: 2;
}

.slider [class*="box"]:nth-child(5){
    width: 60vh;
    height: 40vh;
    transform: scale(0.6) translate(-50%, -50%);
    top: 20%;
    z-index: 3;
}


.slider [class*="box"]:nth-child(4){
    width: 60vh;
    height: 100vh;
    color: #fff;
    border-color: #c92026;
    transform: scale(1) translate(-50%, -50%);
    top: 52%;
    z-index: 4;
}


.slider [class*="box"]:nth-child(1){
    left: -13%;
}


.slider [class*="box"]:nth-child(2){
    left: -5%;
}

.slider [class*="box"]:nth-child(3){
    left: 10%;
}

.slider [class*="box"]:nth-child(4){
    left: 50%;
}



.slider [class*="box"]:nth-child(5){
    left: 71%;
}



.slider [class*="box"]:nth-child(6){
    left: -85%;
}




.slider [class*="box"]:nth-child(7){
    left: -100%;
}




.slider .firstSlider{
    -webkit-animation: firstChild 5s;
    animation: firstChild 5s;
}


@-webkit-keyframes first-child{
    0%{left: 100%; transform: scale(0.2) translate(-50%,-50%); }
}


@keyframes first-child{
    0%{left: 100%; transform: scale(0.2) translate(-50%,-50%); }
}



@media (max-width: 1026px) { 

.container_b{
        width: 100%;
        overflow: hidden;
        height: 40vh;
        display:flex;
        justify-content: center;
        align-items: center;
}
    
    
.slider{
        height: 50vh;
        width: 100vw;
        display: flex;
        perspective: 1000px;
        position: relative;
        align-items: center;
}

    
.slider [class*="box"]{
    overflow: hidden;
    border-radius: 20px;
    transition: all 5s cubic-bezier(0.68,0.0, 0.32, 1.6);
    position: absolute;
}


.slider [class*="box"]:nth-child(7),
.slider [class*="box"]:nth-child(7){
    width: 100vh;
    height: 60vh;
    transform: scale(0.2) translate(-50%, -50%);
    top: 20%;
    z-index: 1;
}


.slider [class*="box"]:nth-child(6){
    width: 50vh;
    height: 30vh;
    transform: scale(0.2) translate(-25%, -25%);
    top: 5%;
    z-index: 2;
}

.slider [class*="box"]:nth-child(5){
    width: 30vh;
    height: 20vh;
    transform: scale(0.5) translate(-25%, -25%);
    top: 10%;
    z-index: 3;
}


.slider [class*="box"]:nth-child(4){
    
    width: 30vh;
    height: 50vh;
    color: #fff;
    border-color: #c92026;
    transform: scale(1) translate(-50%, -50%);
    top: 52%;
    z-index: 4;

    }
}